Home / 145,838.11-218,769.51-40,657.18

Finding the Fourth Proportional to 145,838.11, 218,769.51 and 40,657.18

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Solution

The fourth proportional to 145,838.11, 218,769.51 and 40,657.18 is: 60,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,838.11 : 218,769.51 = 40,657.18 : x
  2. Step 2: Convert to fraction form
    145,838.11/218,769.51 = 40,657.18/x
  3. Step 3: Cross multiply
    145,838.11x = 218,769.51 × 40,657.18
  4. Step 4: Simplify right side
    145,838.11x = 8,894,550,252.73
  5. Step 5: Solve for x
    x = 8,894,550,252.73/145,838.11
  6. Step 6: Final answer
    x = 60,989.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.