Home / 156,630.28-216,151.86-85,011.16

Finding the Fourth Proportional to 156,630.28, 216,151.86 and 85,011.16

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Solution

The fourth proportional to 156,630.28, 216,151.86 and 85,011.16 is: 117,316.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,630.28 : 216,151.86 = 85,011.16 : x
  2. Step 2: Convert to fraction form
    156,630.28/216,151.86 = 85,011.16/x
  3. Step 3: Cross multiply
    156,630.28x = 216,151.86 × 85,011.16
  4. Step 4: Simplify right side
    156,630.28x = 18,375,320,354.76
  5. Step 5: Solve for x
    x = 18,375,320,354.76/156,630.28
  6. Step 6: Final answer
    x = 117,316.53

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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.