Home / 167,218.50-230,686.17-99,238.35

Finding the Fourth Proportional to 167,218.50, 230,686.17 and 99,238.35

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Solution

The fourth proportional to 167,218.50, 230,686.17 and 99,238.35 is: 136,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,218.50 : 230,686.17 = 99,238.35 : x
  2. Step 2: Convert to fraction form
    167,218.50/230,686.17 = 99,238.35/x
  3. Step 3: Cross multiply
    167,218.50x = 230,686.17 × 99,238.35
  4. Step 4: Simplify right side
    167,218.50x = 22,892,914,878.62
  5. Step 5: Solve for x
    x = 22,892,914,878.62/167,218.50
  6. Step 6: Final answer
    x = 136,904.20

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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.