Home / 185,999.22-256,680.75-101,118.10

Finding the Fourth Proportional to 185,999.22, 256,680.75 and 101,118.10

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Solution

The fourth proportional to 185,999.22, 256,680.75 and 101,118.10 is: 139,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,999.22 : 256,680.75 = 101,118.10 : x
  2. Step 2: Convert to fraction form
    185,999.22/256,680.75 = 101,118.10/x
  3. Step 3: Cross multiply
    185,999.22x = 256,680.75 × 101,118.10
  4. Step 4: Simplify right side
    185,999.22x = 25,955,069,746.58
  5. Step 5: Solve for x
    x = 25,955,069,746.58/185,999.22
  6. Step 6: Final answer
    x = 139,543.97

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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.