Home / 132,433.49-182,761.81-72,008.19

Finding the Fourth Proportional to 132,433.49, 182,761.81 and 72,008.19

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Solution

The fourth proportional to 132,433.49, 182,761.81 and 72,008.19 is: 99,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,433.49 : 182,761.81 = 72,008.19 : x
  2. Step 2: Convert to fraction form
    132,433.49/182,761.81 = 72,008.19/x
  3. Step 3: Cross multiply
    132,433.49x = 182,761.81 × 72,008.19
  4. Step 4: Simplify right side
    132,433.49x = 13,160,346,779.18
  5. Step 5: Solve for x
    x = 13,160,346,779.18/132,433.49
  6. Step 6: Final answer
    x = 99,373.25

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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.