Home / 438,033.77-657,055.92-171,919.61

Finding the Fourth Proportional to 438,033.77, 657,055.92 and 171,919.61

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Solution

The fourth proportional to 438,033.77, 657,055.92 and 171,919.61 is: 257,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,033.77 : 657,055.92 = 171,919.61 : x
  2. Step 2: Convert to fraction form
    438,033.77/657,055.92 = 171,919.61/x
  3. Step 3: Cross multiply
    438,033.77x = 657,055.92 × 171,919.61
  4. Step 4: Simplify right side
    438,033.77x = 112,960,797,514.59
  5. Step 5: Solve for x
    x = 112,960,797,514.59/438,033.77
  6. Step 6: Final answer
    x = 257,881.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.