Home / 132,137.77-182,350.60-71,708.40

Finding the Fourth Proportional to 132,137.77, 182,350.60 and 71,708.40

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Solution

The fourth proportional to 132,137.77, 182,350.60 and 71,708.40 is: 98,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,137.77 : 182,350.60 = 71,708.40 : x
  2. Step 2: Convert to fraction form
    132,137.77/182,350.60 = 71,708.40/x
  3. Step 3: Cross multiply
    132,137.77x = 182,350.60 × 71,708.40
  4. Step 4: Simplify right side
    132,137.77x = 13,076,069,765.04
  5. Step 5: Solve for x
    x = 13,076,069,765.04/132,137.77
  6. Step 6: Final answer
    x = 98,957.85

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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.