Home / 156,187.53-215,432.01-98,899.74

Finding the Fourth Proportional to 156,187.53, 215,432.01 and 98,899.74

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Solution

The fourth proportional to 156,187.53, 215,432.01 and 98,899.74 is: 136,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,187.53 : 215,432.01 = 98,899.74 : x
  2. Step 2: Convert to fraction form
    156,187.53/215,432.01 = 98,899.74/x
  3. Step 3: Cross multiply
    156,187.53x = 215,432.01 × 98,899.74
  4. Step 4: Simplify right side
    156,187.53x = 21,306,169,776.68
  5. Step 5: Solve for x
    x = 21,306,169,776.68/156,187.53
  6. Step 6: Final answer
    x = 136,414.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.