Home / 186,398.30-279,320.96-136,908.38

Finding the Fourth Proportional to 186,398.30, 279,320.96 and 136,908.38

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Solution

The fourth proportional to 186,398.30, 279,320.96 and 136,908.38 is: 205,159.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,398.30 : 279,320.96 = 136,908.38 : x
  2. Step 2: Convert to fraction form
    186,398.30/279,320.96 = 136,908.38/x
  3. Step 3: Cross multiply
    186,398.30x = 279,320.96 × 136,908.38
  4. Step 4: Simplify right side
    186,398.30x = 38,241,380,133.64
  5. Step 5: Solve for x
    x = 38,241,380,133.64/186,398.30
  6. Step 6: Final answer
    x = 205,159.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.