Home / 156,957.55-216,600.33-85,337.60

Finding the Fourth Proportional to 156,957.55, 216,600.33 and 85,337.60

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Solution

The fourth proportional to 156,957.55, 216,600.33 and 85,337.60 is: 117,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,957.55 : 216,600.33 = 85,337.60 : x
  2. Step 2: Convert to fraction form
    156,957.55/216,600.33 = 85,337.60/x
  3. Step 3: Cross multiply
    156,957.55x = 216,600.33 × 85,337.60
  4. Step 4: Simplify right side
    156,957.55x = 18,484,152,296.78
  5. Step 5: Solve for x
    x = 18,484,152,296.78/156,957.55
  6. Step 6: Final answer
    x = 117,765.30

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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.