Home / 269,621.64-372,079.06-148,762.87

Finding the Fourth Proportional to 269,621.64, 372,079.06 and 148,762.87

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Solution

The fourth proportional to 269,621.64, 372,079.06 and 148,762.87 is: 205,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,621.64 : 372,079.06 = 148,762.87 : x
  2. Step 2: Convert to fraction form
    269,621.64/372,079.06 = 148,762.87/x
  3. Step 3: Cross multiply
    269,621.64x = 372,079.06 × 148,762.87
  4. Step 4: Simplify right side
    269,621.64x = 55,351,547,530.40
  5. Step 5: Solve for x
    x = 55,351,547,530.40/269,621.64
  6. Step 6: Final answer
    x = 205,293.42

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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.