Home / 156,057.34-215,359.87-88,077.18

Finding the Fourth Proportional to 156,057.34, 215,359.87 and 88,077.18

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Solution

The fourth proportional to 156,057.34, 215,359.87 and 88,077.18 is: 121,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,057.34 : 215,359.87 = 88,077.18 : x
  2. Step 2: Convert to fraction form
    156,057.34/215,359.87 = 88,077.18/x
  3. Step 3: Cross multiply
    156,057.34x = 215,359.87 × 88,077.18
  4. Step 4: Simplify right side
    156,057.34x = 18,968,289,814.57
  5. Step 5: Solve for x
    x = 18,968,289,814.57/156,057.34
  6. Step 6: Final answer
    x = 121,546.93

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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.