Home / 151,478.90-227,072.55-117,726.20

Finding the Fourth Proportional to 151,478.90, 227,072.55 and 117,726.20

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Solution

The fourth proportional to 151,478.90, 227,072.55 and 117,726.20 is: 176,475.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,478.90 : 227,072.55 = 117,726.20 : x
  2. Step 2: Convert to fraction form
    151,478.90/227,072.55 = 117,726.20/x
  3. Step 3: Cross multiply
    151,478.90x = 227,072.55 × 117,726.20
  4. Step 4: Simplify right side
    151,478.90x = 26,732,388,435.81
  5. Step 5: Solve for x
    x = 26,732,388,435.81/151,478.90
  6. Step 6: Final answer
    x = 176,475.99

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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.