Home / 158,841.45-219,201.84-86,244.57

Finding the Fourth Proportional to 158,841.45, 219,201.84 and 86,244.57

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Solution

The fourth proportional to 158,841.45, 219,201.84 and 86,244.57 is: 119,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,841.45 : 219,201.84 = 86,244.57 : x
  2. Step 2: Convert to fraction form
    158,841.45/219,201.84 = 86,244.57/x
  3. Step 3: Cross multiply
    158,841.45x = 219,201.84 × 86,244.57
  4. Step 4: Simplify right side
    158,841.45x = 18,904,968,434.01
  5. Step 5: Solve for x
    x = 18,904,968,434.01/158,841.45
  6. Step 6: Final answer
    x = 119,017.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.