Home / 132,412.50-182,730.42-71,983.26

Finding the Fourth Proportional to 132,412.50, 182,730.42 and 71,983.26

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Solution

The fourth proportional to 132,412.50, 182,730.42 and 71,983.26 is: 99,337.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,412.50 : 182,730.42 = 71,983.26 : x
  2. Step 2: Convert to fraction form
    132,412.50/182,730.42 = 71,983.26/x
  3. Step 3: Cross multiply
    132,412.50x = 182,730.42 × 71,983.26
  4. Step 4: Simplify right side
    132,412.50x = 13,153,531,332.77
  5. Step 5: Solve for x
    x = 13,153,531,332.77/132,412.50
  6. Step 6: Final answer
    x = 99,337.53

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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.