Home / 154,437.48-231,806.02-74,531.69

Finding the Fourth Proportional to 154,437.48, 231,806.02 and 74,531.69

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Solution

The fourth proportional to 154,437.48, 231,806.02 and 74,531.69 is: 111,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,437.48 : 231,806.02 = 74,531.69 : x
  2. Step 2: Convert to fraction form
    154,437.48/231,806.02 = 74,531.69/x
  3. Step 3: Cross multiply
    154,437.48x = 231,806.02 × 74,531.69
  4. Step 4: Simplify right side
    154,437.48x = 17,276,892,891.09
  5. Step 5: Solve for x
    x = 17,276,892,891.09/154,437.48
  6. Step 6: Final answer
    x = 111,869.82

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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.