Home / 238,437.85-357,331.15-120,189.19

Finding the Fourth Proportional to 238,437.85, 357,331.15 and 120,189.19

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Solution

The fourth proportional to 238,437.85, 357,331.15 and 120,189.19 is: 180,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,437.85 : 357,331.15 = 120,189.19 : x
  2. Step 2: Convert to fraction form
    238,437.85/357,331.15 = 120,189.19/x
  3. Step 3: Cross multiply
    238,437.85x = 357,331.15 × 120,189.19
  4. Step 4: Simplify right side
    238,437.85x = 42,947,341,480.27
  5. Step 5: Solve for x
    x = 42,947,341,480.27/238,437.85
  6. Step 6: Final answer
    x = 180,119.65

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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.