Home / 153,531.66-230,366.61-83,305.74

Finding the Fourth Proportional to 153,531.66, 230,366.61 and 83,305.74

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Solution

The fourth proportional to 153,531.66, 230,366.61 and 83,305.74 is: 124,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,531.66 : 230,366.61 = 83,305.74 : x
  2. Step 2: Convert to fraction form
    153,531.66/230,366.61 = 83,305.74/x
  3. Step 3: Cross multiply
    153,531.66x = 230,366.61 × 83,305.74
  4. Step 4: Simplify right side
    153,531.66x = 19,190,860,917.34
  5. Step 5: Solve for x
    x = 19,190,860,917.34/153,531.66
  6. Step 6: Final answer
    x = 124,996.11

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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.