Home / 192,156.38-265,165.10-107,278.92

Finding the Fourth Proportional to 192,156.38, 265,165.10 and 107,278.92

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Solution

The fourth proportional to 192,156.38, 265,165.10 and 107,278.92 is: 148,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,156.38 : 265,165.10 = 107,278.92 : x
  2. Step 2: Convert to fraction form
    192,156.38/265,165.10 = 107,278.92/x
  3. Step 3: Cross multiply
    192,156.38x = 265,165.10 × 107,278.92
  4. Step 4: Simplify right side
    192,156.38x = 28,446,625,549.69
  5. Step 5: Solve for x
    x = 28,446,625,549.69/192,156.38
  6. Step 6: Final answer
    x = 148,038.93

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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.