Home / 186,445.31-257,313.11-113,844.20

Finding the Fourth Proportional to 186,445.31, 257,313.11 and 113,844.20

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Solution

The fourth proportional to 186,445.31, 257,313.11 and 113,844.20 is: 157,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,445.31 : 257,313.11 = 113,844.20 : x
  2. Step 2: Convert to fraction form
    186,445.31/257,313.11 = 113,844.20/x
  3. Step 3: Cross multiply
    186,445.31x = 257,313.11 × 113,844.20
  4. Step 4: Simplify right side
    186,445.31x = 29,293,603,301.68
  5. Step 5: Solve for x
    x = 29,293,603,301.68/186,445.31
  6. Step 6: Final answer
    x = 157,116.34

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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.