Home / 132,759.48-183,206.40-72,332.64

Finding the Fourth Proportional to 132,759.48, 183,206.40 and 72,332.64

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Solution

The fourth proportional to 132,759.48, 183,206.40 and 72,332.64 is: 99,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,759.48 : 183,206.40 = 72,332.64 : x
  2. Step 2: Convert to fraction form
    132,759.48/183,206.40 = 72,332.64/x
  3. Step 3: Cross multiply
    132,759.48x = 183,206.40 × 72,332.64
  4. Step 4: Simplify right side
    132,759.48x = 13,251,802,576.90
  5. Step 5: Solve for x
    x = 13,251,802,576.90/132,759.48
  6. Step 6: Final answer
    x = 99,818.13

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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.