Home / 235,049.12-324,411.60-134,446.88

Finding the Fourth Proportional to 235,049.12, 324,411.60 and 134,446.88

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Solution

The fourth proportional to 235,049.12, 324,411.60 and 134,446.88 is: 185,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,049.12 : 324,411.60 = 134,446.88 : x
  2. Step 2: Convert to fraction form
    235,049.12/324,411.60 = 134,446.88/x
  3. Step 3: Cross multiply
    235,049.12x = 324,411.60 × 134,446.88
  4. Step 4: Simplify right side
    235,049.12x = 43,616,127,455.81
  5. Step 5: Solve for x
    x = 43,616,127,455.81/235,049.12
  6. Step 6: Final answer
    x = 185,561.76

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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.