Home / 172,711.18-238,206.36-112,301.38

Finding the Fourth Proportional to 172,711.18, 238,206.36 and 112,301.38

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Solution

The fourth proportional to 172,711.18, 238,206.36 and 112,301.38 is: 154,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,711.18 : 238,206.36 = 112,301.38 : x
  2. Step 2: Convert to fraction form
    172,711.18/238,206.36 = 112,301.38/x
  3. Step 3: Cross multiply
    172,711.18x = 238,206.36 × 112,301.38
  4. Step 4: Simplify right side
    172,711.18x = 26,750,902,952.78
  5. Step 5: Solve for x
    x = 26,750,902,952.78/172,711.18
  6. Step 6: Final answer
    x = 154,888.08

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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.