Home / 351,899.35-527,849.12-127,254.76

Finding the Fourth Proportional to 351,899.35, 527,849.12 and 127,254.76

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Solution

The fourth proportional to 351,899.35, 527,849.12 and 127,254.76 is: 190,882.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,899.35 : 527,849.12 = 127,254.76 : x
  2. Step 2: Convert to fraction form
    351,899.35/527,849.12 = 127,254.76/x
  3. Step 3: Cross multiply
    351,899.35x = 527,849.12 × 127,254.76
  4. Step 4: Simplify right side
    351,899.35x = 67,171,312,080.33
  5. Step 5: Solve for x
    x = 67,171,312,080.33/351,899.35
  6. Step 6: Final answer
    x = 190,882.17

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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.