Home / 187,920.24-259,363.08-112,468.56

Finding the Fourth Proportional to 187,920.24, 259,363.08 and 112,468.56

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Solution

The fourth proportional to 187,920.24, 259,363.08 and 112,468.56 is: 155,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,920.24 : 259,363.08 = 112,468.56 : x
  2. Step 2: Convert to fraction form
    187,920.24/259,363.08 = 112,468.56/x
  3. Step 3: Cross multiply
    187,920.24x = 259,363.08 × 112,468.56
  4. Step 4: Simplify right side
    187,920.24x = 29,170,192,124.76
  5. Step 5: Solve for x
    x = 29,170,192,124.76/187,920.24
  6. Step 6: Final answer
    x = 155,226.45

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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.