Home / 312,867.96-431,766.28-176,922.24

Finding the Fourth Proportional to 312,867.96, 431,766.28 and 176,922.24

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Solution

The fourth proportional to 312,867.96, 431,766.28 and 176,922.24 is: 244,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,867.96 : 431,766.28 = 176,922.24 : x
  2. Step 2: Convert to fraction form
    312,867.96/431,766.28 = 176,922.24/x
  3. Step 3: Cross multiply
    312,867.96x = 431,766.28 × 176,922.24
  4. Step 4: Simplify right side
    312,867.96x = 76,389,058,444.78
  5. Step 5: Solve for x
    x = 76,389,058,444.78/312,867.96
  6. Step 6: Final answer
    x = 244,157.50

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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.