Home / 276,219.03-414,346.10-86,686.89

Finding the Fourth Proportional to 276,219.03, 414,346.10 and 86,686.89

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Solution

The fourth proportional to 276,219.03, 414,346.10 and 86,686.89 is: 130,035.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,219.03 : 414,346.10 = 86,686.89 : x
  2. Step 2: Convert to fraction form
    276,219.03/414,346.10 = 86,686.89/x
  3. Step 3: Cross multiply
    276,219.03x = 414,346.10 × 86,686.89
  4. Step 4: Simplify right side
    276,219.03x = 35,918,372,805.40
  5. Step 5: Solve for x
    x = 35,918,372,805.40/276,219.03
  6. Step 6: Final answer
    x = 130,035.84

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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.