Home / 119,616.45-165,070.86-65,168.35

Finding the Fourth Proportional to 119,616.45, 165,070.86 and 65,168.35

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Solution

The fourth proportional to 119,616.45, 165,070.86 and 65,168.35 is: 89,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,616.45 : 165,070.86 = 65,168.35 : x
  2. Step 2: Convert to fraction form
    119,616.45/165,070.86 = 65,168.35/x
  3. Step 3: Cross multiply
    119,616.45x = 165,070.86 × 65,168.35
  4. Step 4: Simplify right side
    119,616.45x = 10,757,395,579.28
  5. Step 5: Solve for x
    x = 10,757,395,579.28/119,616.45
  6. Step 6: Final answer
    x = 89,932.41

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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.