Home / 186,398.48-257,286.12-126,817.04

Finding the Fourth Proportional to 186,398.48, 257,286.12 and 126,817.04

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Solution

The fourth proportional to 186,398.48, 257,286.12 and 126,817.04 is: 175,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,398.48 : 257,286.12 = 126,817.04 : x
  2. Step 2: Convert to fraction form
    186,398.48/257,286.12 = 126,817.04/x
  3. Step 3: Cross multiply
    186,398.48x = 257,286.12 × 126,817.04
  4. Step 4: Simplify right side
    186,398.48x = 32,628,264,171.48
  5. Step 5: Solve for x
    x = 32,628,264,171.48/186,398.48
  6. Step 6: Final answer
    x = 175,045.76

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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.