Home / 186,436.91-257,275.68-113,961.16

Finding the Fourth Proportional to 186,436.91, 257,275.68 and 113,961.16

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Solution

The fourth proportional to 186,436.91, 257,275.68 and 113,961.16 is: 157,261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,436.91 : 257,275.68 = 113,961.16 : x
  2. Step 2: Convert to fraction form
    186,436.91/257,275.68 = 113,961.16/x
  3. Step 3: Cross multiply
    186,436.91x = 257,275.68 × 113,961.16
  4. Step 4: Simplify right side
    186,436.91x = 29,319,433,646.21
  5. Step 5: Solve for x
    x = 29,319,433,646.21/186,436.91
  6. Step 6: Final answer
    x = 157,261.96

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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.