Home / 166,711.06-230,062.80-98,731.90

Finding the Fourth Proportional to 166,711.06, 230,062.80 and 98,731.90

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Solution

The fourth proportional to 166,711.06, 230,062.80 and 98,731.90 is: 136,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,711.06 : 230,062.80 = 98,731.90 : x
  2. Step 2: Convert to fraction form
    166,711.06/230,062.80 = 98,731.90/x
  3. Step 3: Cross multiply
    166,711.06x = 230,062.80 × 98,731.90
  4. Step 4: Simplify right side
    166,711.06x = 22,714,537,363.32
  5. Step 5: Solve for x
    x = 22,714,537,363.32/166,711.06
  6. Step 6: Final answer
    x = 136,250.93

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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.