Home / 157,744.37-217,692.03-89,771.12

Finding the Fourth Proportional to 157,744.37, 217,692.03 and 89,771.12

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Solution

The fourth proportional to 157,744.37, 217,692.03 and 89,771.12 is: 123,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,744.37 : 217,692.03 = 89,771.12 : x
  2. Step 2: Convert to fraction form
    157,744.37/217,692.03 = 89,771.12/x
  3. Step 3: Cross multiply
    157,744.37x = 217,692.03 × 89,771.12
  4. Step 4: Simplify right side
    157,744.37x = 19,542,456,259.71
  5. Step 5: Solve for x
    x = 19,542,456,259.71/157,744.37
  6. Step 6: Final answer
    x = 123,886.87

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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.