Home / 258,278.32-356,263.20-177,565.72

Finding the Fourth Proportional to 258,278.32, 356,263.20 and 177,565.72

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Solution

The fourth proportional to 258,278.32, 356,263.20 and 177,565.72 is: 244,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,278.32 : 356,263.20 = 177,565.72 : x
  2. Step 2: Convert to fraction form
    258,278.32/356,263.20 = 177,565.72/x
  3. Step 3: Cross multiply
    258,278.32x = 356,263.20 × 177,565.72
  4. Step 4: Simplify right side
    258,278.32x = 63,260,131,617.50
  5. Step 5: Solve for x
    x = 63,260,131,617.50/258,278.32
  6. Step 6: Final answer
    x = 244,930.09

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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.