Home / 134,434.28-185,531.67-74,017.19

Finding the Fourth Proportional to 134,434.28, 185,531.67 and 74,017.19

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Solution

The fourth proportional to 134,434.28, 185,531.67 and 74,017.19 is: 102,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,434.28 : 185,531.67 = 74,017.19 : x
  2. Step 2: Convert to fraction form
    134,434.28/185,531.67 = 74,017.19/x
  3. Step 3: Cross multiply
    134,434.28x = 185,531.67 × 74,017.19
  4. Step 4: Simplify right side
    134,434.28x = 13,732,532,869.41
  5. Step 5: Solve for x
    x = 13,732,532,869.41/134,434.28
  6. Step 6: Final answer
    x = 102,150.53

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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.