Home / 238,021.11-357,032.90-80,250.93

Finding the Fourth Proportional to 238,021.11, 357,032.90 and 80,250.93

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Solution

The fourth proportional to 238,021.11, 357,032.90 and 80,250.93 is: 120,376.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,021.11 : 357,032.90 = 80,250.93 : x
  2. Step 2: Convert to fraction form
    238,021.11/357,032.90 = 80,250.93/x
  3. Step 3: Cross multiply
    238,021.11x = 357,032.90 × 80,250.93
  4. Step 4: Simplify right side
    238,021.11x = 28,652,221,864.34
  5. Step 5: Solve for x
    x = 28,652,221,864.34/238,021.11
  6. Step 6: Final answer
    x = 120,376.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.