Home / 118,294.03-163,248.23-64,581.31

Finding the Fourth Proportional to 118,294.03, 163,248.23 and 64,581.31

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Solution

The fourth proportional to 118,294.03, 163,248.23 and 64,581.31 is: 89,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,294.03 : 163,248.23 = 64,581.31 : x
  2. Step 2: Convert to fraction form
    118,294.03/163,248.23 = 64,581.31/x
  3. Step 3: Cross multiply
    118,294.03x = 163,248.23 × 64,581.31
  4. Step 4: Simplify right side
    118,294.03x = 10,542,783,409.43
  5. Step 5: Solve for x
    x = 10,542,783,409.43/118,294.03
  6. Step 6: Final answer
    x = 89,123.55

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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.