Home / 187,701.46-259,032.20-107,127.37

Finding the Fourth Proportional to 187,701.46, 259,032.20 and 107,127.37

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Solution

The fourth proportional to 187,701.46, 259,032.20 and 107,127.37 is: 147,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,701.46 : 259,032.20 = 107,127.37 : x
  2. Step 2: Convert to fraction form
    187,701.46/259,032.20 = 107,127.37/x
  3. Step 3: Cross multiply
    187,701.46x = 259,032.20 × 107,127.37
  4. Step 4: Simplify right side
    187,701.46x = 27,749,438,331.31
  5. Step 5: Solve for x
    x = 27,749,438,331.31/187,701.46
  6. Step 6: Final answer
    x = 147,838.16

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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.