Home / 187,725.81-259,061.88-101,685.72

Finding the Fourth Proportional to 187,725.81, 259,061.88 and 101,685.72

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Solution

The fourth proportional to 187,725.81, 259,061.88 and 101,685.72 is: 140,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,725.81 : 259,061.88 = 101,685.72 : x
  2. Step 2: Convert to fraction form
    187,725.81/259,061.88 = 101,685.72/x
  3. Step 3: Cross multiply
    187,725.81x = 259,061.88 × 101,685.72
  4. Step 4: Simplify right side
    187,725.81x = 26,342,893,792.35
  5. Step 5: Solve for x
    x = 26,342,893,792.35/187,725.81
  6. Step 6: Final answer
    x = 140,326.44

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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.