Home / 156,524.22-216,001.80-84,902.72

Finding the Fourth Proportional to 156,524.22, 216,001.80 and 84,902.72

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Solution

The fourth proportional to 156,524.22, 216,001.80 and 84,902.72 is: 117,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,524.22 : 216,001.80 = 84,902.72 : x
  2. Step 2: Convert to fraction form
    156,524.22/216,001.80 = 84,902.72/x
  3. Step 3: Cross multiply
    156,524.22x = 216,001.80 × 84,902.72
  4. Step 4: Simplify right side
    156,524.22x = 18,339,139,264.89
  5. Step 5: Solve for x
    x = 18,339,139,264.89/156,524.22
  6. Step 6: Final answer
    x = 117,164.87

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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.