Home / 119,213.49-164,514.60-65,496.72

Finding the Fourth Proportional to 119,213.49, 164,514.60 and 65,496.72

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Solution

The fourth proportional to 119,213.49, 164,514.60 and 65,496.72 is: 90,385.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,213.49 : 164,514.60 = 65,496.72 : x
  2. Step 2: Convert to fraction form
    119,213.49/164,514.60 = 65,496.72/x
  3. Step 3: Cross multiply
    119,213.49x = 164,514.60 × 65,496.72
  4. Step 4: Simplify right side
    119,213.49x = 10,775,166,692.11
  5. Step 5: Solve for x
    x = 10,775,166,692.11/119,213.49
  6. Step 6: Final answer
    x = 90,385.46

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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.