Home / 238,985.01-329,761.35-136,990.98

Finding the Fourth Proportional to 238,985.01, 329,761.35 and 136,990.98

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Solution

The fourth proportional to 238,985.01, 329,761.35 and 136,990.98 is: 189,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,985.01 : 329,761.35 = 136,990.98 : x
  2. Step 2: Convert to fraction form
    238,985.01/329,761.35 = 136,990.98/x
  3. Step 3: Cross multiply
    238,985.01x = 329,761.35 × 136,990.98
  4. Step 4: Simplify right side
    238,985.01x = 45,174,330,502.62
  5. Step 5: Solve for x
    x = 45,174,330,502.62/238,985.01
  6. Step 6: Final answer
    x = 189,025.79

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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.