Home / 186,072.18-256,777.20-101,187.42

Finding the Fourth Proportional to 186,072.18, 256,777.20 and 101,187.42

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Solution

The fourth proportional to 186,072.18, 256,777.20 and 101,187.42 is: 139,637.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,072.18 : 256,777.20 = 101,187.42 : x
  2. Step 2: Convert to fraction form
    186,072.18/256,777.20 = 101,187.42/x
  3. Step 3: Cross multiply
    186,072.18x = 256,777.20 × 101,187.42
  4. Step 4: Simplify right side
    186,072.18x = 25,982,622,382.82
  5. Step 5: Solve for x
    x = 25,982,622,382.82/186,072.18
  6. Step 6: Final answer
    x = 139,637.33

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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.