Home / 135,248.93-186,641.92-74,814.83

Finding the Fourth Proportional to 135,248.93, 186,641.92 and 74,814.83

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Solution

The fourth proportional to 135,248.93, 186,641.92 and 74,814.83 is: 103,243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,248.93 : 186,641.92 = 74,814.83 : x
  2. Step 2: Convert to fraction form
    135,248.93/186,641.92 = 74,814.83/x
  3. Step 3: Cross multiply
    135,248.93x = 186,641.92 × 74,814.83
  4. Step 4: Simplify right side
    135,248.93x = 13,963,583,515.67
  5. Step 5: Solve for x
    x = 13,963,583,515.67/135,248.93
  6. Step 6: Final answer
    x = 103,243.58

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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.