Home / 268,711.13-370,830.27-147,861.29

Finding the Fourth Proportional to 268,711.13, 370,830.27 and 147,861.29

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Solution

The fourth proportional to 268,711.13, 370,830.27 and 147,861.29 is: 204,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,711.13 : 370,830.27 = 147,861.29 : x
  2. Step 2: Convert to fraction form
    268,711.13/370,830.27 = 147,861.29/x
  3. Step 3: Cross multiply
    268,711.13x = 370,830.27 × 147,861.29
  4. Step 4: Simplify right side
    268,711.13x = 54,831,440,239.10
  5. Step 5: Solve for x
    x = 54,831,440,239.10/268,711.13
  6. Step 6: Final answer
    x = 204,053.48

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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.