Home / 381,617.03-572,437.68-191,973.75

Finding the Fourth Proportional to 381,617.03, 572,437.68 and 191,973.75

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Solution

The fourth proportional to 381,617.03, 572,437.68 and 191,973.75 is: 287,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,617.03 : 572,437.68 = 191,973.75 : x
  2. Step 2: Convert to fraction form
    381,617.03/572,437.68 = 191,973.75/x
  3. Step 3: Cross multiply
    381,617.03x = 572,437.68 × 191,973.75
  4. Step 4: Simplify right side
    381,617.03x = 109,893,008,070.90
  5. Step 5: Solve for x
    x = 109,893,008,070.90/381,617.03
  6. Step 6: Final answer
    x = 287,966.73

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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.