Home / 302,931.20-454,107-113,340.08

Finding the Fourth Proportional to 302,931.20, 454,107 and 113,340.08

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Solution

The fourth proportional to 302,931.20, 454,107 and 113,340.08 is: 169,901.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,931.20 : 454,107 = 113,340.08 : x
  2. Step 2: Convert to fraction form
    302,931.20/454,107 = 113,340.08/x
  3. Step 3: Cross multiply
    302,931.20x = 454,107 × 113,340.08
  4. Step 4: Simplify right side
    302,931.20x = 51,468,523,708.56
  5. Step 5: Solve for x
    x = 51,468,523,708.56/302,931.20
  6. Step 6: Final answer
    x = 169,901.69

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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.