Home / 156,677.60-216,217.71-85,057.62

Finding the Fourth Proportional to 156,677.60, 216,217.71 and 85,057.62

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Solution

The fourth proportional to 156,677.60, 216,217.71 and 85,057.62 is: 117,380.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,677.60 : 216,217.71 = 85,057.62 : x
  2. Step 2: Convert to fraction form
    156,677.60/216,217.71 = 85,057.62/x
  3. Step 3: Cross multiply
    156,677.60x = 216,217.71 × 85,057.62
  4. Step 4: Simplify right side
    156,677.60x = 18,390,963,814.45
  5. Step 5: Solve for x
    x = 18,390,963,814.45/156,677.60
  6. Step 6: Final answer
    x = 117,380.94

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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.