Home / 119,087.06-178,634.70-39,126.70

Finding the Fourth Proportional to 119,087.06, 178,634.70 and 39,126.70

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Solution

The fourth proportional to 119,087.06, 178,634.70 and 39,126.70 is: 58,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,087.06 : 178,634.70 = 39,126.70 : x
  2. Step 2: Convert to fraction form
    119,087.06/178,634.70 = 39,126.70/x
  3. Step 3: Cross multiply
    119,087.06x = 178,634.70 × 39,126.70
  4. Step 4: Simplify right side
    119,087.06x = 6,989,386,316.49
  5. Step 5: Solve for x
    x = 6,989,386,316.49/119,087.06
  6. Step 6: Final answer
    x = 58,691.40

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1.5x scale

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.