Home / 124,242.11-187,193.04-112,411.05

Finding the Fourth Proportional to 124,242.11, 187,193.04 and 112,411.05

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Solution

The fourth proportional to 124,242.11, 187,193.04 and 112,411.05 is: 169,367.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,242.11 : 187,193.04 = 112,411.05 : x
  2. Step 2: Convert to fraction form
    124,242.11/187,193.04 = 112,411.05/x
  3. Step 3: Cross multiply
    124,242.11x = 187,193.04 × 112,411.05
  4. Step 4: Simplify right side
    124,242.11x = 21,042,566,179.09
  5. Step 5: Solve for x
    x = 21,042,566,179.09/124,242.11
  6. Step 6: Final answer
    x = 169,367.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.