Home / 156,902.58-216,527.01-85,282.77

Finding the Fourth Proportional to 156,902.58, 216,527.01 and 85,282.77

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Solution

The fourth proportional to 156,902.58, 216,527.01 and 85,282.77 is: 117,691.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,902.58 : 216,527.01 = 85,282.77 : x
  2. Step 2: Convert to fraction form
    156,902.58/216,527.01 = 85,282.77/x
  3. Step 3: Cross multiply
    156,902.58x = 216,527.01 × 85,282.77
  4. Step 4: Simplify right side
    156,902.58x = 18,466,023,192.62
  5. Step 5: Solve for x
    x = 18,466,023,192.62/156,902.58
  6. Step 6: Final answer
    x = 117,691.01

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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.