Home / 187,767.08-259,118.56-112,315.56

Finding the Fourth Proportional to 187,767.08, 259,118.56 and 112,315.56

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Solution

The fourth proportional to 187,767.08, 259,118.56 and 112,315.56 is: 154,995.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,767.08 : 259,118.56 = 112,315.56 : x
  2. Step 2: Convert to fraction form
    187,767.08/259,118.56 = 112,315.56/x
  3. Step 3: Cross multiply
    187,767.08x = 259,118.56 × 112,315.56
  4. Step 4: Simplify right side
    187,767.08x = 29,103,046,172.79
  5. Step 5: Solve for x
    x = 29,103,046,172.79/187,767.08
  6. Step 6: Final answer
    x = 154,995.47

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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.