Home / 175,079.45-262,701.18-86,284.51

Finding the Fourth Proportional to 175,079.45, 262,701.18 and 86,284.51

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Solution

The fourth proportional to 175,079.45, 262,701.18 and 86,284.51 is: 129,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,079.45 : 262,701.18 = 86,284.51 : x
  2. Step 2: Convert to fraction form
    175,079.45/262,701.18 = 86,284.51/x
  3. Step 3: Cross multiply
    175,079.45x = 262,701.18 × 86,284.51
  4. Step 4: Simplify right side
    175,079.45x = 22,667,042,921.10
  5. Step 5: Solve for x
    x = 22,667,042,921.10/175,079.45
  6. Step 6: Final answer
    x = 129,467.19

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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.