Home / 192,587.13-288,879.89-52,345.35

Finding the Fourth Proportional to 192,587.13, 288,879.89 and 52,345.35

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Solution

The fourth proportional to 192,587.13, 288,879.89 and 52,345.35 is: 78,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,587.13 : 288,879.89 = 52,345.35 : x
  2. Step 2: Convert to fraction form
    192,587.13/288,879.89 = 52,345.35/x
  3. Step 3: Cross multiply
    192,587.13x = 288,879.89 × 52,345.35
  4. Step 4: Simplify right side
    192,587.13x = 15,121,518,688.28
  5. Step 5: Solve for x
    x = 15,121,518,688.28/192,587.13
  6. Step 6: Final answer
    x = 78,517.80

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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.