Home / 619,386.48-929,077.98-170,107.78

Finding the Fourth Proportional to 619,386.48, 929,077.98 and 170,107.78

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Solution

The fourth proportional to 619,386.48, 929,077.98 and 170,107.78 is: 255,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,386.48 : 929,077.98 = 170,107.78 : x
  2. Step 2: Convert to fraction form
    619,386.48/929,077.98 = 170,107.78/x
  3. Step 3: Cross multiply
    619,386.48x = 929,077.98 × 170,107.78
  4. Step 4: Simplify right side
    619,386.48x = 158,043,392,624.68
  5. Step 5: Solve for x
    x = 158,043,392,624.68/619,386.48
  6. Step 6: Final answer
    x = 255,161.19

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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.