Home / 156,979.92-235,434.20-44,657.60

Finding the Fourth Proportional to 156,979.92, 235,434.20 and 44,657.60

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Solution

The fourth proportional to 156,979.92, 235,434.20 and 44,657.60 is: 66,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,979.92 : 235,434.20 = 44,657.60 : x
  2. Step 2: Convert to fraction form
    156,979.92/235,434.20 = 44,657.60/x
  3. Step 3: Cross multiply
    156,979.92x = 235,434.20 × 44,657.60
  4. Step 4: Simplify right side
    156,979.92x = 10,513,926,329.92
  5. Step 5: Solve for x
    x = 10,513,926,329.92/156,979.92
  6. Step 6: Final answer
    x = 66,976.25

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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.