Home / 185,998.72-256,680.06-101,117.60

Finding the Fourth Proportional to 185,998.72, 256,680.06 and 101,117.60

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Solution

The fourth proportional to 185,998.72, 256,680.06 and 101,117.60 is: 139,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,998.72 : 256,680.06 = 101,117.60 : x
  2. Step 2: Convert to fraction form
    185,998.72/256,680.06 = 101,117.60/x
  3. Step 3: Cross multiply
    185,998.72x = 256,680.06 × 101,117.60
  4. Step 4: Simplify right side
    185,998.72x = 25,954,871,635.06
  5. Step 5: Solve for x
    x = 25,954,871,635.06/185,998.72
  6. Step 6: Final answer
    x = 139,543.28

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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.