Home / 156,951.23-216,590.28-85,330.62

Finding the Fourth Proportional to 156,951.23, 216,590.28 and 85,330.62

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Solution

The fourth proportional to 156,951.23, 216,590.28 and 85,330.62 is: 117,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,951.23 : 216,590.28 = 85,330.62 : x
  2. Step 2: Convert to fraction form
    156,951.23/216,590.28 = 85,330.62/x
  3. Step 3: Cross multiply
    156,951.23x = 216,590.28 × 85,330.62
  4. Step 4: Simplify right side
    156,951.23x = 18,481,782,878.37
  5. Step 5: Solve for x
    x = 18,481,782,878.37/156,951.23
  6. Step 6: Final answer
    x = 117,754.94

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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.