Home / 318,425.10-439,426.62-175,182.07

Finding the Fourth Proportional to 318,425.10, 439,426.62 and 175,182.07

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Solution

The fourth proportional to 318,425.10, 439,426.62 and 175,182.07 is: 241,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,425.10 : 439,426.62 = 175,182.07 : x
  2. Step 2: Convert to fraction form
    318,425.10/439,426.62 = 175,182.07/x
  3. Step 3: Cross multiply
    318,425.10x = 439,426.62 × 175,182.07
  4. Step 4: Simplify right side
    318,425.10x = 76,979,661,831.66
  5. Step 5: Solve for x
    x = 76,979,661,831.66/318,425.10
  6. Step 6: Final answer
    x = 241,751.24

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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.