Home / 118,233.75-163,166.49-64,521.72

Finding the Fourth Proportional to 118,233.75, 163,166.49 and 64,521.72

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Solution

The fourth proportional to 118,233.75, 163,166.49 and 64,521.72 is: 89,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,233.75 : 163,166.49 = 64,521.72 : x
  2. Step 2: Convert to fraction form
    118,233.75/163,166.49 = 64,521.72/x
  3. Step 3: Cross multiply
    118,233.75x = 163,166.49 × 64,521.72
  4. Step 4: Simplify right side
    118,233.75x = 10,527,782,581.16
  5. Step 5: Solve for x
    x = 10,527,782,581.16/118,233.75
  6. Step 6: Final answer
    x = 89,042.11

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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.