Home / 136,387.15-188,163.33-136,176.88

Finding the Fourth Proportional to 136,387.15, 188,163.33 and 136,176.88

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Solution

The fourth proportional to 136,387.15, 188,163.33 and 136,176.88 is: 187,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,387.15 : 188,163.33 = 136,176.88 : x
  2. Step 2: Convert to fraction form
    136,387.15/188,163.33 = 136,176.88/x
  3. Step 3: Cross multiply
    136,387.15x = 188,163.33 × 136,176.88
  4. Step 4: Simplify right side
    136,387.15x = 25,623,495,209.81
  5. Step 5: Solve for x
    x = 25,623,495,209.81/136,387.15
  6. Step 6: Final answer
    x = 187,873.24

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1.5x scale

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.