Home / 185,759.01-256,345.14-100,876.68

Finding the Fourth Proportional to 185,759.01, 256,345.14 and 100,876.68

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Solution

The fourth proportional to 185,759.01, 256,345.14 and 100,876.68 is: 139,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,759.01 : 256,345.14 = 100,876.68 : x
  2. Step 2: Convert to fraction form
    185,759.01/256,345.14 = 100,876.68/x
  3. Step 3: Cross multiply
    185,759.01x = 256,345.14 × 100,876.68
  4. Step 4: Simplify right side
    185,759.01x = 25,859,246,657.34
  5. Step 5: Solve for x
    x = 25,859,246,657.34/185,759.01
  6. Step 6: Final answer
    x = 139,208.57

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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.