Home / 175,686.12-263,198.52-86,835.60

Finding the Fourth Proportional to 175,686.12, 263,198.52 and 86,835.60

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Solution

The fourth proportional to 175,686.12, 263,198.52 and 86,835.60 is: 130,089.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,686.12 : 263,198.52 = 86,835.60 : x
  2. Step 2: Convert to fraction form
    175,686.12/263,198.52 = 86,835.60/x
  3. Step 3: Cross multiply
    175,686.12x = 263,198.52 × 86,835.60
  4. Step 4: Simplify right side
    175,686.12x = 22,855,001,403.31
  5. Step 5: Solve for x
    x = 22,855,001,403.31/175,686.12
  6. Step 6: Final answer
    x = 130,089.97

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1.5x scale

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.