Home / 146,895.13-220,316.17-66,914.52

Finding the Fourth Proportional to 146,895.13, 220,316.17 and 66,914.52

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Solution

The fourth proportional to 146,895.13, 220,316.17 and 66,914.52 is: 100,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,895.13 : 220,316.17 = 66,914.52 : x
  2. Step 2: Convert to fraction form
    146,895.13/220,316.17 = 66,914.52/x
  3. Step 3: Cross multiply
    146,895.13x = 220,316.17 × 66,914.52
  4. Step 4: Simplify right side
    146,895.13x = 14,742,350,763.79
  5. Step 5: Solve for x
    x = 14,742,350,763.79/146,895.13
  6. Step 6: Final answer
    x = 100,359.70

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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.