Home / 154,039.02-231,042.57-104,437.74

Finding the Fourth Proportional to 154,039.02, 231,042.57 and 104,437.74

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Solution

The fourth proportional to 154,039.02, 231,042.57 and 104,437.74 is: 156,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,039.02 : 231,042.57 = 104,437.74 : x
  2. Step 2: Convert to fraction form
    154,039.02/231,042.57 = 104,437.74/x
  3. Step 3: Cross multiply
    154,039.02x = 231,042.57 × 104,437.74
  4. Step 4: Simplify right side
    154,039.02x = 24,129,563,854.59
  5. Step 5: Solve for x
    x = 24,129,563,854.59/154,039.02
  6. Step 6: Final answer
    x = 156,645.79

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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.