Home / 186,473.31-257,351.75-113,872.20

Finding the Fourth Proportional to 186,473.31, 257,351.75 and 113,872.20

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Solution

The fourth proportional to 186,473.31, 257,351.75 and 113,872.20 is: 157,154.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,473.31 : 257,351.75 = 113,872.20 : x
  2. Step 2: Convert to fraction form
    186,473.31/257,351.75 = 113,872.20/x
  3. Step 3: Cross multiply
    186,473.31x = 257,351.75 × 113,872.20
  4. Step 4: Simplify right side
    186,473.31x = 29,305,209,946.35
  5. Step 5: Solve for x
    x = 29,305,209,946.35/186,473.31
  6. Step 6: Final answer
    x = 157,154.98

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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.