Home / 186,370.20-257,012.82-125,254.44

Finding the Fourth Proportional to 186,370.20, 257,012.82 and 125,254.44

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Solution

The fourth proportional to 186,370.20, 257,012.82 and 125,254.44 is: 172,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,370.20 : 257,012.82 = 125,254.44 : x
  2. Step 2: Convert to fraction form
    186,370.20/257,012.82 = 125,254.44/x
  3. Step 3: Cross multiply
    186,370.20x = 257,012.82 × 125,254.44
  4. Step 4: Simplify right side
    186,370.20x = 32,191,996,841.92
  5. Step 5: Solve for x
    x = 32,191,996,841.92/186,370.20
  6. Step 6: Final answer
    x = 172,731.46

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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.