Home / 118,450.34-163,456.62-64,737.17

Finding the Fourth Proportional to 118,450.34, 163,456.62 and 64,737.17

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Solution

The fourth proportional to 118,450.34, 163,456.62 and 64,737.17 is: 89,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,450.34 : 163,456.62 = 64,737.17 : x
  2. Step 2: Convert to fraction form
    118,450.34/163,456.62 = 64,737.17/x
  3. Step 3: Cross multiply
    118,450.34x = 163,456.62 × 64,737.17
  4. Step 4: Simplify right side
    118,450.34x = 10,581,718,996.57
  5. Step 5: Solve for x
    x = 10,581,718,996.57/118,450.34
  6. Step 6: Final answer
    x = 89,334.64

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1.5x scale

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.