Home / 272,726.38-376,040.37-186,727.06

Finding the Fourth Proportional to 272,726.38, 376,040.37 and 186,727.06

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Solution

The fourth proportional to 272,726.38, 376,040.37 and 186,727.06 is: 257,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,726.38 : 376,040.37 = 186,727.06 : x
  2. Step 2: Convert to fraction form
    272,726.38/376,040.37 = 186,727.06/x
  3. Step 3: Cross multiply
    272,726.38x = 376,040.37 × 186,727.06
  4. Step 4: Simplify right side
    272,726.38x = 70,216,912,731.41
  5. Step 5: Solve for x
    x = 70,216,912,731.41/272,726.38
  6. Step 6: Final answer
    x = 257,462.86

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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.