Home / 342,111.57-472,094.89-189,140.85

Finding the Fourth Proportional to 342,111.57, 472,094.89 and 189,140.85

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Solution

The fourth proportional to 342,111.57, 472,094.89 and 189,140.85 is: 261,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,111.57 : 472,094.89 = 189,140.85 : x
  2. Step 2: Convert to fraction form
    342,111.57/472,094.89 = 189,140.85/x
  3. Step 3: Cross multiply
    342,111.57x = 472,094.89 × 189,140.85
  4. Step 4: Simplify right side
    342,111.57x = 89,292,428,775.26
  5. Step 5: Solve for x
    x = 89,292,428,775.26/342,111.57
  6. Step 6: Final answer
    x = 261,003.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.