Home / 132,881.30-183,377.06-72,452.94

Finding the Fourth Proportional to 132,881.30, 183,377.06 and 72,452.94

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Solution

The fourth proportional to 132,881.30, 183,377.06 and 72,452.94 is: 99,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,881.30 : 183,377.06 = 72,452.94 : x
  2. Step 2: Convert to fraction form
    132,881.30/183,377.06 = 72,452.94/x
  3. Step 3: Cross multiply
    132,881.30x = 183,377.06 × 72,452.94
  4. Step 4: Simplify right side
    132,881.30x = 13,286,207,125.56
  5. Step 5: Solve for x
    x = 13,286,207,125.56/132,881.30
  6. Step 6: Final answer
    x = 99,985.53

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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.