Home / 144,437.74-199,374.18-99,265.25

Finding the Fourth Proportional to 144,437.74, 199,374.18 and 99,265.25

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Solution

The fourth proportional to 144,437.74, 199,374.18 and 99,265.25 is: 137,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,437.74 : 199,374.18 = 99,265.25 : x
  2. Step 2: Convert to fraction form
    144,437.74/199,374.18 = 99,265.25/x
  3. Step 3: Cross multiply
    144,437.74x = 199,374.18 × 99,265.25
  4. Step 4: Simplify right side
    144,437.74x = 19,790,927,947.44
  5. Step 5: Solve for x
    x = 19,790,927,947.44/144,437.74
  6. Step 6: Final answer
    x = 137,020.48

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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.