Home / 134,639.26-185,801.15-74,210.02

Finding the Fourth Proportional to 134,639.26, 185,801.15 and 74,210.02

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Solution

The fourth proportional to 134,639.26, 185,801.15 and 74,210.02 is: 102,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,639.26 : 185,801.15 = 74,210.02 : x
  2. Step 2: Convert to fraction form
    134,639.26/185,801.15 = 74,210.02/x
  3. Step 3: Cross multiply
    134,639.26x = 185,801.15 × 74,210.02
  4. Step 4: Simplify right side
    134,639.26x = 13,788,305,757.47
  5. Step 5: Solve for x
    x = 13,788,305,757.47/134,639.26
  6. Step 6: Final answer
    x = 102,409.25

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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.