Home / 238,020.86-357,032.51-80,250.68

Finding the Fourth Proportional to 238,020.86, 357,032.51 and 80,250.68

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Solution

The fourth proportional to 238,020.86, 357,032.51 and 80,250.68 is: 120,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,020.86 : 357,032.51 = 80,250.68 : x
  2. Step 2: Convert to fraction form
    238,020.86/357,032.51 = 80,250.68/x
  3. Step 3: Cross multiply
    238,020.86x = 357,032.51 × 80,250.68
  4. Step 4: Simplify right side
    238,020.86x = 28,652,101,709.61
  5. Step 5: Solve for x
    x = 28,652,101,709.61/238,020.86
  6. Step 6: Final answer
    x = 120,376.43

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1.5x scale

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.