Home / 185,543.25-256,050.18-100,660.31

Finding the Fourth Proportional to 185,543.25, 256,050.18 and 100,660.31

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Solution

The fourth proportional to 185,543.25, 256,050.18 and 100,660.31 is: 138,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,543.25 : 256,050.18 = 100,660.31 : x
  2. Step 2: Convert to fraction form
    185,543.25/256,050.18 = 100,660.31/x
  3. Step 3: Cross multiply
    185,543.25x = 256,050.18 × 100,660.31
  4. Step 4: Simplify right side
    185,543.25x = 25,774,091,134.48
  5. Step 5: Solve for x
    x = 25,774,091,134.48/185,543.25
  6. Step 6: Final answer
    x = 138,911.50

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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.