Home / 186,170.80-256,908.10-101,287.96

Finding the Fourth Proportional to 186,170.80, 256,908.10 and 101,287.96

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Solution

The fourth proportional to 186,170.80, 256,908.10 and 101,287.96 is: 139,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,170.80 : 256,908.10 = 101,287.96 : x
  2. Step 2: Convert to fraction form
    186,170.80/256,908.10 = 101,287.96/x
  3. Step 3: Cross multiply
    186,170.80x = 256,908.10 × 101,287.96
  4. Step 4: Simplify right side
    186,170.80x = 26,021,697,356.48
  5. Step 5: Solve for x
    x = 26,021,697,356.48/186,170.80
  6. Step 6: Final answer
    x = 139,773.25

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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.