Home / 186,948.42-257,987.47-102,065.48

Finding the Fourth Proportional to 186,948.42, 257,987.47 and 102,065.48

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Solution

The fourth proportional to 186,948.42, 257,987.47 and 102,065.48 is: 140,849.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,948.42 : 257,987.47 = 102,065.48 : x
  2. Step 2: Convert to fraction form
    186,948.42/257,987.47 = 102,065.48/x
  3. Step 3: Cross multiply
    186,948.42x = 257,987.47 × 102,065.48
  4. Step 4: Simplify right side
    186,948.42x = 26,331,614,959.54
  5. Step 5: Solve for x
    x = 26,331,614,959.54/186,948.42
  6. Step 6: Final answer
    x = 140,849.63

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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.