Home / 156,063.16-215,351.58-88,073.56

Finding the Fourth Proportional to 156,063.16, 215,351.58 and 88,073.56

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Solution

The fourth proportional to 156,063.16, 215,351.58 and 88,073.56 is: 121,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,063.16 : 215,351.58 = 88,073.56 : x
  2. Step 2: Convert to fraction form
    156,063.16/215,351.58 = 88,073.56/x
  3. Step 3: Cross multiply
    156,063.16x = 215,351.58 × 88,073.56
  4. Step 4: Simplify right side
    156,063.16x = 18,966,780,302.22
  5. Step 5: Solve for x
    x = 18,966,780,302.22/156,063.16
  6. Step 6: Final answer
    x = 121,532.72

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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.