Home / 235,327.20-324,587.28-154,728.96

Finding the Fourth Proportional to 235,327.20, 324,587.28 and 154,728.96

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Solution

The fourth proportional to 235,327.20, 324,587.28 and 154,728.96 is: 213,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,327.20 : 324,587.28 = 154,728.96 : x
  2. Step 2: Convert to fraction form
    235,327.20/324,587.28 = 154,728.96/x
  3. Step 3: Cross multiply
    235,327.20x = 324,587.28 × 154,728.96
  4. Step 4: Simplify right side
    235,327.20x = 50,223,052,263.63
  5. Step 5: Solve for x
    x = 50,223,052,263.63/235,327.20
  6. Step 6: Final answer
    x = 213,417.97

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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.