Home / 185,573.06-256,089.52-100,690.12

Finding the Fourth Proportional to 185,573.06, 256,089.52 and 100,690.12

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Solution

The fourth proportional to 185,573.06, 256,089.52 and 100,690.12 is: 138,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,573.06 : 256,089.52 = 100,690.12 : x
  2. Step 2: Convert to fraction form
    185,573.06/256,089.52 = 100,690.12/x
  3. Step 3: Cross multiply
    185,573.06x = 256,089.52 × 100,690.12
  4. Step 4: Simplify right side
    185,573.06x = 25,785,684,499.54
  5. Step 5: Solve for x
    x = 25,785,684,499.54/185,573.06
  6. Step 6: Final answer
    x = 138,951.66

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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.