Home / 109,303.20-150,845.76-82,398.24

Finding the Fourth Proportional to 109,303.20, 150,845.76 and 82,398.24

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Solution

The fourth proportional to 109,303.20, 150,845.76 and 82,398.24 is: 113,715.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,303.20 : 150,845.76 = 82,398.24 : x
  2. Step 2: Convert to fraction form
    109,303.20/150,845.76 = 82,398.24/x
  3. Step 3: Cross multiply
    109,303.20x = 150,845.76 × 82,398.24
  4. Step 4: Simplify right side
    109,303.20x = 12,429,425,135.46
  5. Step 5: Solve for x
    x = 12,429,425,135.46/109,303.20
  6. Step 6: Final answer
    x = 113,715.11

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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.