Home / 155,231.28-232,889.76-61,802.64

Finding the Fourth Proportional to 155,231.28, 232,889.76 and 61,802.64

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Solution

The fourth proportional to 155,231.28, 232,889.76 and 61,802.64 is: 92,721.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,231.28 : 232,889.76 = 61,802.64 : x
  2. Step 2: Convert to fraction form
    155,231.28/232,889.76 = 61,802.64/x
  3. Step 3: Cross multiply
    155,231.28x = 232,889.76 × 61,802.64
  4. Step 4: Simplify right side
    155,231.28x = 14,393,201,996.97
  5. Step 5: Solve for x
    x = 14,393,201,996.97/155,231.28
  6. Step 6: Final answer
    x = 92,721.02

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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.