Home / 166,689.19-230,029.28-90,206.59

Finding the Fourth Proportional to 166,689.19, 230,029.28 and 90,206.59

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Solution

The fourth proportional to 166,689.19, 230,029.28 and 90,206.59 is: 124,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,689.19 : 230,029.28 = 90,206.59 : x
  2. Step 2: Convert to fraction form
    166,689.19/230,029.28 = 90,206.59/x
  3. Step 3: Cross multiply
    166,689.19x = 230,029.28 × 90,206.59
  4. Step 4: Simplify right side
    166,689.19x = 20,750,157,174.47
  5. Step 5: Solve for x
    x = 20,750,157,174.47/166,689.19
  6. Step 6: Final answer
    x = 124,484.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.