Home / 132,779.35-183,233.14-72,350.52

Finding the Fourth Proportional to 132,779.35, 183,233.14 and 72,350.52

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Solution

The fourth proportional to 132,779.35, 183,233.14 and 72,350.52 is: 99,842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,779.35 : 183,233.14 = 72,350.52 : x
  2. Step 2: Convert to fraction form
    132,779.35/183,233.14 = 72,350.52/x
  3. Step 3: Cross multiply
    132,779.35x = 183,233.14 × 72,350.52
  4. Step 4: Simplify right side
    132,779.35x = 13,257,012,092.23
  5. Step 5: Solve for x
    x = 13,257,012,092.23/132,779.35
  6. Step 6: Final answer
    x = 99,842.42

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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.