Home / 132,788.83-183,243.95-72,358.26

Finding the Fourth Proportional to 132,788.83, 183,243.95 and 72,358.26

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Solution

The fourth proportional to 132,788.83, 183,243.95 and 72,358.26 is: 99,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,788.83 : 183,243.95 = 72,358.26 : x
  2. Step 2: Convert to fraction form
    132,788.83/183,243.95 = 72,358.26/x
  3. Step 3: Cross multiply
    132,788.83x = 183,243.95 × 72,358.26
  4. Step 4: Simplify right side
    132,788.83x = 13,259,213,427.15
  5. Step 5: Solve for x
    x = 13,259,213,427.15/132,788.83
  6. Step 6: Final answer
    x = 99,851.87

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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.