Home / 215,401.44-297,219.72-124,765.84

Finding the Fourth Proportional to 215,401.44, 297,219.72 and 124,765.84

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Solution

The fourth proportional to 215,401.44, 297,219.72 and 124,765.84 is: 172,157.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,401.44 : 297,219.72 = 124,765.84 : x
  2. Step 2: Convert to fraction form
    215,401.44/297,219.72 = 124,765.84/x
  3. Step 3: Cross multiply
    215,401.44x = 297,219.72 × 124,765.84
  4. Step 4: Simplify right side
    215,401.44x = 37,082,868,030.36
  5. Step 5: Solve for x
    x = 37,082,868,030.36/215,401.44
  6. Step 6: Final answer
    x = 172,157.01

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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.