Home / 185,543.16-256,050.04-100,660.22

Finding the Fourth Proportional to 185,543.16, 256,050.04 and 100,660.22

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Solution

The fourth proportional to 185,543.16, 256,050.04 and 100,660.22 is: 138,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,543.16 : 256,050.04 = 100,660.22 : x
  2. Step 2: Convert to fraction form
    185,543.16/256,050.04 = 100,660.22/x
  3. Step 3: Cross multiply
    185,543.16x = 256,050.04 × 100,660.22
  4. Step 4: Simplify right side
    185,543.16x = 25,774,053,357.41
  5. Step 5: Solve for x
    x = 25,774,053,357.41/185,543.16
  6. Step 6: Final answer
    x = 138,911.36

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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.