Home / 238,407.13-357,601.43-80,635.57

Finding the Fourth Proportional to 238,407.13, 357,601.43 and 80,635.57

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Solution

The fourth proportional to 238,407.13, 357,601.43 and 80,635.57 is: 120,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,407.13 : 357,601.43 = 80,635.57 : x
  2. Step 2: Convert to fraction form
    238,407.13/357,601.43 = 80,635.57/x
  3. Step 3: Cross multiply
    238,407.13x = 357,601.43 × 80,635.57
  4. Step 4: Simplify right side
    238,407.13x = 28,835,394,448.45
  5. Step 5: Solve for x
    x = 28,835,394,448.45/238,407.13
  6. Step 6: Final answer
    x = 120,950.22

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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.