Home / 346,801.20-520,497.12-136,586.76

Finding the Fourth Proportional to 346,801.20, 520,497.12 and 136,586.76

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Solution

The fourth proportional to 346,801.20, 520,497.12 and 136,586.76 is: 204,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,801.20 : 520,497.12 = 136,586.76 : x
  2. Step 2: Convert to fraction form
    346,801.20/520,497.12 = 136,586.76/x
  3. Step 3: Cross multiply
    346,801.20x = 520,497.12 × 136,586.76
  4. Step 4: Simplify right side
    346,801.20x = 71,093,015,210.13
  5. Step 5: Solve for x
    x = 71,093,015,210.13/346,801.20
  6. Step 6: Final answer
    x = 204,996.45

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1.5x scale

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.