Home / 116,788.40-174,542.66-85,264.88

Finding the Fourth Proportional to 116,788.40, 174,542.66 and 85,264.88

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Solution

The fourth proportional to 116,788.40, 174,542.66 and 85,264.88 is: 127,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,788.40 : 174,542.66 = 85,264.88 : x
  2. Step 2: Convert to fraction form
    116,788.40/174,542.66 = 85,264.88/x
  3. Step 3: Cross multiply
    116,788.40x = 174,542.66 × 85,264.88
  4. Step 4: Simplify right side
    116,788.40x = 14,882,358,959.78
  5. Step 5: Solve for x
    x = 14,882,358,959.78/116,788.40
  6. Step 6: Final answer
    x = 127,430.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.