Home / 156,577.38-216,077.34-84,957.60

Finding the Fourth Proportional to 156,577.38, 216,077.34 and 84,957.60

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Solution

The fourth proportional to 156,577.38, 216,077.34 and 84,957.60 is: 117,241.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,577.38 : 216,077.34 = 84,957.60 : x
  2. Step 2: Convert to fraction form
    156,577.38/216,077.34 = 84,957.60/x
  3. Step 3: Cross multiply
    156,577.38x = 216,077.34 × 84,957.60
  4. Step 4: Simplify right side
    156,577.38x = 18,357,412,220.78
  5. Step 5: Solve for x
    x = 18,357,412,220.78/156,577.38
  6. Step 6: Final answer
    x = 117,241.79

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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.