Home / 619,386.49-929,077.97-170,107.78

Finding the Fourth Proportional to 619,386.49, 929,077.97 and 170,107.78

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Solution

The fourth proportional to 619,386.49, 929,077.97 and 170,107.78 is: 255,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,386.49 : 929,077.97 = 170,107.78 : x
  2. Step 2: Convert to fraction form
    619,386.49/929,077.97 = 170,107.78/x
  3. Step 3: Cross multiply
    619,386.49x = 929,077.97 × 170,107.78
  4. Step 4: Simplify right side
    619,386.49x = 158,043,390,923.61
  5. Step 5: Solve for x
    x = 158,043,390,923.61/619,386.49
  6. Step 6: Final answer
    x = 255,161.19

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.