Home / 185,637.09-256,179.33-100,754.13

Finding the Fourth Proportional to 185,637.09, 256,179.33 and 100,754.13

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Solution

The fourth proportional to 185,637.09, 256,179.33 and 100,754.13 is: 139,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,637.09 : 256,179.33 = 100,754.13 : x
  2. Step 2: Convert to fraction form
    185,637.09/256,179.33 = 100,754.13/x
  3. Step 3: Cross multiply
    185,637.09x = 256,179.33 × 100,754.13
  4. Step 4: Simplify right side
    185,637.09x = 25,811,125,518.13
  5. Step 5: Solve for x
    x = 25,811,125,518.13/185,637.09
  6. Step 6: Final answer
    x = 139,040.78

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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.