Home / 132,140.37-182,353.83-71,711.02

Finding the Fourth Proportional to 132,140.37, 182,353.83 and 71,711.02

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Solution

The fourth proportional to 132,140.37, 182,353.83 and 71,711.02 is: 98,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,140.37 : 182,353.83 = 71,711.02 : x
  2. Step 2: Convert to fraction form
    132,140.37/182,353.83 = 71,711.02/x
  3. Step 3: Cross multiply
    132,140.37x = 182,353.83 × 71,711.02
  4. Step 4: Simplify right side
    132,140.37x = 13,076,779,109.23
  5. Step 5: Solve for x
    x = 13,076,779,109.23/132,140.37
  6. Step 6: Final answer
    x = 98,961.27

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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.