Home / 136,117.88-187,863.08-98,003.56

Finding the Fourth Proportional to 136,117.88, 187,863.08 and 98,003.56

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Solution

The fourth proportional to 136,117.88, 187,863.08 and 98,003.56 is: 135,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,117.88 : 187,863.08 = 98,003.56 : x
  2. Step 2: Convert to fraction form
    136,117.88/187,863.08 = 98,003.56/x
  3. Step 3: Cross multiply
    136,117.88x = 187,863.08 × 98,003.56
  4. Step 4: Simplify right side
    136,117.88x = 18,411,250,632.56
  5. Step 5: Solve for x
    x = 18,411,250,632.56/136,117.88
  6. Step 6: Final answer
    x = 135,259.60

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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.