Home / 342,715.27-472,961.85-189,753.45

Finding the Fourth Proportional to 342,715.27, 472,961.85 and 189,753.45

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Solution

The fourth proportional to 342,715.27, 472,961.85 and 189,753.45 is: 261,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,715.27 : 472,961.85 = 189,753.45 : x
  2. Step 2: Convert to fraction form
    342,715.27/472,961.85 = 189,753.45/x
  3. Step 3: Cross multiply
    342,715.27x = 472,961.85 × 189,753.45
  4. Step 4: Simplify right side
    342,715.27x = 89,746,142,931.11
  5. Step 5: Solve for x
    x = 89,746,142,931.11/342,715.27
  6. Step 6: Final answer
    x = 261,867.94

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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.