Home / 187,713.81-259,063.63-107,153.44

Finding the Fourth Proportional to 187,713.81, 259,063.63 and 107,153.44

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Solution

The fourth proportional to 187,713.81, 259,063.63 and 107,153.44 is: 147,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,713.81 : 259,063.63 = 107,153.44 : x
  2. Step 2: Convert to fraction form
    187,713.81/259,063.63 = 107,153.44/x
  3. Step 3: Cross multiply
    187,713.81x = 259,063.63 × 107,153.44
  4. Step 4: Simplify right side
    187,713.81x = 27,759,559,133.39
  5. Step 5: Solve for x
    x = 27,759,559,133.39/187,713.81
  6. Step 6: Final answer
    x = 147,882.35

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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.