Home / 238,433.85-357,325.16-120,185.19

Finding the Fourth Proportional to 238,433.85, 357,325.16 and 120,185.19

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Solution

The fourth proportional to 238,433.85, 357,325.16 and 120,185.19 is: 180,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,433.85 : 357,325.16 = 120,185.19 : x
  2. Step 2: Convert to fraction form
    238,433.85/357,325.16 = 120,185.19/x
  3. Step 3: Cross multiply
    238,433.85x = 357,325.16 × 120,185.19
  4. Step 4: Simplify right side
    238,433.85x = 42,945,191,645.45
  5. Step 5: Solve for x
    x = 42,945,191,645.45/238,433.85
  6. Step 6: Final answer
    x = 180,113.65

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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.