Home / 187,505.02-280,929.39-156,116.71

Finding the Fourth Proportional to 187,505.02, 280,929.39 and 156,116.71

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Solution

The fourth proportional to 187,505.02, 280,929.39 and 156,116.71 is: 233,901.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,505.02 : 280,929.39 = 156,116.71 : x
  2. Step 2: Convert to fraction form
    187,505.02/280,929.39 = 156,116.71/x
  3. Step 3: Cross multiply
    187,505.02x = 280,929.39 × 156,116.71
  4. Step 4: Simplify right side
    187,505.02x = 43,857,772,109.11
  5. Step 5: Solve for x
    x = 43,857,772,109.11/187,505.02
  6. Step 6: Final answer
    x = 233,901.86

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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.