Home / 458,619.86-687,228.42-192,235.16

Finding the Fourth Proportional to 458,619.86, 687,228.42 and 192,235.16

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Solution

The fourth proportional to 458,619.86, 687,228.42 and 192,235.16 is: 288,058.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,619.86 : 687,228.42 = 192,235.16 : x
  2. Step 2: Convert to fraction form
    458,619.86/687,228.42 = 192,235.16/x
  3. Step 3: Cross multiply
    458,619.86x = 687,228.42 × 192,235.16
  4. Step 4: Simplify right side
    458,619.86x = 132,109,465,275.25
  5. Step 5: Solve for x
    x = 132,109,465,275.25/458,619.86
  6. Step 6: Final answer
    x = 288,058.75

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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.