Home / 175,648.80-263,127.60-105,319.20

Finding the Fourth Proportional to 175,648.80, 263,127.60 and 105,319.20

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Solution

The fourth proportional to 175,648.80, 263,127.60 and 105,319.20 is: 157,771.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,648.80 : 263,127.60 = 105,319.20 : x
  2. Step 2: Convert to fraction form
    175,648.80/263,127.60 = 105,319.20/x
  3. Step 3: Cross multiply
    175,648.80x = 263,127.60 × 105,319.20
  4. Step 4: Simplify right side
    175,648.80x = 27,712,388,329.92
  5. Step 5: Solve for x
    x = 27,712,388,329.92/175,648.80
  6. Step 6: Final answer
    x = 157,771.58

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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.