Home / 186,276.42-278,062.25-172,399.14

Finding the Fourth Proportional to 186,276.42, 278,062.25 and 172,399.14

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Solution

The fourth proportional to 186,276.42, 278,062.25 and 172,399.14 is: 257,347.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,276.42 : 278,062.25 = 172,399.14 : x
  2. Step 2: Convert to fraction form
    186,276.42/278,062.25 = 172,399.14/x
  3. Step 3: Cross multiply
    186,276.42x = 278,062.25 × 172,399.14
  4. Step 4: Simplify right side
    186,276.42x = 47,937,691,904.47
  5. Step 5: Solve for x
    x = 47,937,691,904.47/186,276.42
  6. Step 6: Final answer
    x = 257,347.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.