Home / 125,155.14-187,842.06-72,492.18

Finding the Fourth Proportional to 125,155.14, 187,842.06 and 72,492.18

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Solution

The fourth proportional to 125,155.14, 187,842.06 and 72,492.18 is: 108,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,155.14 : 187,842.06 = 72,492.18 : x
  2. Step 2: Convert to fraction form
    125,155.14/187,842.06 = 72,492.18/x
  3. Step 3: Cross multiply
    125,155.14x = 187,842.06 × 72,492.18
  4. Step 4: Simplify right side
    125,155.14x = 13,617,080,425.09
  5. Step 5: Solve for x
    x = 13,617,080,425.09/125,155.14
  6. Step 6: Final answer
    x = 108,801.61

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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.