Home / 118,433.34-163,470.96-73,118.70

Finding the Fourth Proportional to 118,433.34, 163,470.96 and 73,118.70

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Solution

The fourth proportional to 118,433.34, 163,470.96 and 73,118.70 is: 100,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,433.34 : 163,470.96 = 73,118.70 : x
  2. Step 2: Convert to fraction form
    118,433.34/163,470.96 = 73,118.70/x
  3. Step 3: Cross multiply
    118,433.34x = 163,470.96 × 73,118.70
  4. Step 4: Simplify right side
    118,433.34x = 11,952,784,082.95
  5. Step 5: Solve for x
    x = 11,952,784,082.95/118,433.34
  6. Step 6: Final answer
    x = 100,924.15

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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.