Home / 156,902.08-216,526.32-85,282.27

Finding the Fourth Proportional to 156,902.08, 216,526.32 and 85,282.27

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Solution

The fourth proportional to 156,902.08, 216,526.32 and 85,282.27 is: 117,690.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,902.08 : 216,526.32 = 85,282.27 : x
  2. Step 2: Convert to fraction form
    156,902.08/216,526.32 = 85,282.27/x
  3. Step 3: Cross multiply
    156,902.08x = 216,526.32 × 85,282.27
  4. Step 4: Simplify right side
    156,902.08x = 18,465,856,084.35
  5. Step 5: Solve for x
    x = 18,465,856,084.35/156,902.08
  6. Step 6: Final answer
    x = 117,690.32

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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.