Home / 132,849.45-183,327.98-72,419.13

Finding the Fourth Proportional to 132,849.45, 183,327.98 and 72,419.13

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Solution

The fourth proportional to 132,849.45, 183,327.98 and 72,419.13 is: 99,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,849.45 : 183,327.98 = 72,419.13 : x
  2. Step 2: Convert to fraction form
    132,849.45/183,327.98 = 72,419.13/x
  3. Step 3: Cross multiply
    132,849.45x = 183,327.98 × 72,419.13
  4. Step 4: Simplify right side
    132,849.45x = 13,276,452,454.16
  5. Step 5: Solve for x
    x = 13,276,452,454.16/132,849.45
  6. Step 6: Final answer
    x = 99,936.07

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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.