Home / 207,190.64-310,788.26-57,432.22

Finding the Fourth Proportional to 207,190.64, 310,788.26 and 57,432.22

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Solution

The fourth proportional to 207,190.64, 310,788.26 and 57,432.22 is: 86,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,190.64 : 310,788.26 = 57,432.22 : x
  2. Step 2: Convert to fraction form
    207,190.64/310,788.26 = 57,432.22/x
  3. Step 3: Cross multiply
    207,190.64x = 310,788.26 × 57,432.22
  4. Step 4: Simplify right side
    207,190.64x = 17,849,259,721.74
  5. Step 5: Solve for x
    x = 17,849,259,721.74/207,190.64
  6. Step 6: Final answer
    x = 86,148.97

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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.