Home / 177,850.02-245,440.89-102,422.82

Finding the Fourth Proportional to 177,850.02, 245,440.89 and 102,422.82

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Solution

The fourth proportional to 177,850.02, 245,440.89 and 102,422.82 is: 141,348.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,850.02 : 245,440.89 = 102,422.82 : x
  2. Step 2: Convert to fraction form
    177,850.02/245,440.89 = 102,422.82/x
  3. Step 3: Cross multiply
    177,850.02x = 245,440.89 × 102,422.82
  4. Step 4: Simplify right side
    177,850.02x = 25,138,748,097.11
  5. Step 5: Solve for x
    x = 25,138,748,097.11/177,850.02
  6. Step 6: Final answer
    x = 141,348.02

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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.