Home / 132,543.50-182,910.84-72,114.58

Finding the Fourth Proportional to 132,543.50, 182,910.84 and 72,114.58

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Solution

The fourth proportional to 132,543.50, 182,910.84 and 72,114.58 is: 99,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,543.50 : 182,910.84 = 72,114.58 : x
  2. Step 2: Convert to fraction form
    132,543.50/182,910.84 = 72,114.58/x
  3. Step 3: Cross multiply
    132,543.50x = 182,910.84 × 72,114.58
  4. Step 4: Simplify right side
    132,543.50x = 13,190,538,404.05
  5. Step 5: Solve for x
    x = 13,190,538,404.05/132,543.50
  6. Step 6: Final answer
    x = 99,518.56

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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.