Home / 156,650.76-216,168.24-88,681.53

Finding the Fourth Proportional to 156,650.76, 216,168.24 and 88,681.53

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Solution

The fourth proportional to 156,650.76, 216,168.24 and 88,681.53 is: 122,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,650.76 : 216,168.24 = 88,681.53 : x
  2. Step 2: Convert to fraction form
    156,650.76/216,168.24 = 88,681.53/x
  3. Step 3: Cross multiply
    156,650.76x = 216,168.24 × 88,681.53
  4. Step 4: Simplify right side
    156,650.76x = 19,170,131,403.79
  5. Step 5: Solve for x
    x = 19,170,131,403.79/156,650.76
  6. Step 6: Final answer
    x = 122,374.97

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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.