Home / 157,698.20-236,585.10-52,518.08

Finding the Fourth Proportional to 157,698.20, 236,585.10 and 52,518.08

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Solution

The fourth proportional to 157,698.20, 236,585.10 and 52,518.08 is: 78,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,698.20 : 236,585.10 = 52,518.08 : x
  2. Step 2: Convert to fraction form
    157,698.20/236,585.10 = 52,518.08/x
  3. Step 3: Cross multiply
    157,698.20x = 236,585.10 × 52,518.08
  4. Step 4: Simplify right side
    157,698.20x = 12,424,995,208.61
  5. Step 5: Solve for x
    x = 12,424,995,208.61/157,698.20
  6. Step 6: Final answer
    x = 78,789.71

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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.