Home / 185,637.06-256,179.38-100,754.15

Finding the Fourth Proportional to 185,637.06, 256,179.38 and 100,754.15

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Solution

The fourth proportional to 185,637.06, 256,179.38 and 100,754.15 is: 139,040.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,637.06 : 256,179.38 = 100,754.15 : x
  2. Step 2: Convert to fraction form
    185,637.06/256,179.38 = 100,754.15/x
  3. Step 3: Cross multiply
    185,637.06x = 256,179.38 × 100,754.15
  4. Step 4: Simplify right side
    185,637.06x = 25,811,133,894.76
  5. Step 5: Solve for x
    x = 25,811,133,894.76/185,637.06
  6. Step 6: Final answer
    x = 139,040.85

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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.