Home / 156,951.67-216,588.85-85,330.03

Finding the Fourth Proportional to 156,951.67, 216,588.85 and 85,330.03

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Solution

The fourth proportional to 156,951.67, 216,588.85 and 85,330.03 is: 117,753.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,951.67 : 216,588.85 = 85,330.03 : x
  2. Step 2: Convert to fraction form
    156,951.67/216,588.85 = 85,330.03/x
  3. Step 3: Cross multiply
    156,951.67x = 216,588.85 × 85,330.03
  4. Step 4: Simplify right side
    156,951.67x = 18,481,533,068.17
  5. Step 5: Solve for x
    x = 18,481,533,068.17/156,951.67
  6. Step 6: Final answer
    x = 117,753.02

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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.