Home / 187,713.18-259,062.76-107,152.82

Finding the Fourth Proportional to 187,713.18, 259,062.76 and 107,152.82

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Solution

The fourth proportional to 187,713.18, 259,062.76 and 107,152.82 is: 147,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,713.18 : 259,062.76 = 107,152.82 : x
  2. Step 2: Convert to fraction form
    187,713.18/259,062.76 = 107,152.82/x
  3. Step 3: Cross multiply
    187,713.18x = 259,062.76 × 107,152.82
  4. Step 4: Simplify right side
    187,713.18x = 27,759,305,290.98
  5. Step 5: Solve for x
    x = 27,759,305,290.98/187,713.18
  6. Step 6: Final answer
    x = 147,881.49

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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.