Home / 118,727.20-178,047.60-59,543.20

Finding the Fourth Proportional to 118,727.20, 178,047.60 and 59,543.20

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Solution

The fourth proportional to 118,727.20, 178,047.60 and 59,543.20 is: 89,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,727.20 : 178,047.60 = 59,543.20 : x
  2. Step 2: Convert to fraction form
    118,727.20/178,047.60 = 59,543.20/x
  3. Step 3: Cross multiply
    118,727.20x = 178,047.60 × 59,543.20
  4. Step 4: Simplify right side
    118,727.20x = 10,601,523,856.32
  5. Step 5: Solve for x
    x = 10,601,523,856.32/118,727.20
  6. Step 6: Final answer
    x = 89,293.13

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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.