Home / 132,140.45-182,352.83-71,709.53

Finding the Fourth Proportional to 132,140.45, 182,352.83 and 71,709.53

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Solution

The fourth proportional to 132,140.45, 182,352.83 and 71,709.53 is: 98,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,140.45 : 182,352.83 = 71,709.53 : x
  2. Step 2: Convert to fraction form
    132,140.45/182,352.83 = 71,709.53/x
  3. Step 3: Cross multiply
    132,140.45x = 182,352.83 × 71,709.53
  4. Step 4: Simplify right side
    132,140.45x = 13,076,434,463.16
  5. Step 5: Solve for x
    x = 13,076,434,463.16/132,140.45
  6. Step 6: Final answer
    x = 98,958.60

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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.