Home / 252,183.40-378,275.10-127,767.40

Finding the Fourth Proportional to 252,183.40, 378,275.10 and 127,767.40

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Solution

The fourth proportional to 252,183.40, 378,275.10 and 127,767.40 is: 191,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,183.40 : 378,275.10 = 127,767.40 : x
  2. Step 2: Convert to fraction form
    252,183.40/378,275.10 = 127,767.40/x
  3. Step 3: Cross multiply
    252,183.40x = 378,275.10 × 127,767.40
  4. Step 4: Simplify right side
    252,183.40x = 48,331,226,011.74
  5. Step 5: Solve for x
    x = 48,331,226,011.74/252,183.40
  6. Step 6: Final answer
    x = 191,651.10

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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.