Home / 172,596.39-238,060.33-115,206.78

Finding the Fourth Proportional to 172,596.39, 238,060.33 and 115,206.78

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Solution

The fourth proportional to 172,596.39, 238,060.33 and 115,206.78 is: 158,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,596.39 : 238,060.33 = 115,206.78 : x
  2. Step 2: Convert to fraction form
    172,596.39/238,060.33 = 115,206.78/x
  3. Step 3: Cross multiply
    172,596.39x = 238,060.33 × 115,206.78
  4. Step 4: Simplify right side
    172,596.39x = 27,426,162,884.29
  5. Step 5: Solve for x
    x = 27,426,162,884.29/172,596.39
  6. Step 6: Final answer
    x = 158,903.46

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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.