Home / 124,333.97-186,502.23-99,531.70

Finding the Fourth Proportional to 124,333.97, 186,502.23 and 99,531.70

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Solution

The fourth proportional to 124,333.97, 186,502.23 and 99,531.70 is: 149,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,333.97 : 186,502.23 = 99,531.70 : x
  2. Step 2: Convert to fraction form
    124,333.97/186,502.23 = 99,531.70/x
  3. Step 3: Cross multiply
    124,333.97x = 186,502.23 × 99,531.70
  4. Step 4: Simplify right side
    124,333.97x = 18,562,883,539.44
  5. Step 5: Solve for x
    x = 18,562,883,539.44/124,333.97
  6. Step 6: Final answer
    x = 149,298.57

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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.