Home / 147,119.40-220,241.70-87,924.60

Finding the Fourth Proportional to 147,119.40, 220,241.70 and 87,924.60

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Solution

The fourth proportional to 147,119.40, 220,241.70 and 87,924.60 is: 131,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,119.40 : 220,241.70 = 87,924.60 : x
  2. Step 2: Convert to fraction form
    147,119.40/220,241.70 = 87,924.60/x
  3. Step 3: Cross multiply
    147,119.40x = 220,241.70 × 87,924.60
  4. Step 4: Simplify right side
    147,119.40x = 19,364,663,375.82
  5. Step 5: Solve for x
    x = 19,364,663,375.82/147,119.40
  6. Step 6: Final answer
    x = 131,625.49

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1.5x scale

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.