Home / 101,011.14-151,560.45-54,209.34

Finding the Fourth Proportional to 101,011.14, 151,560.45 and 54,209.34

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Solution

The fourth proportional to 101,011.14, 151,560.45 and 54,209.34 is: 81,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,011.14 : 151,560.45 = 54,209.34 : x
  2. Step 2: Convert to fraction form
    101,011.14/151,560.45 = 54,209.34/x
  3. Step 3: Cross multiply
    101,011.14x = 151,560.45 × 54,209.34
  4. Step 4: Simplify right side
    101,011.14x = 8,215,991,964.60
  5. Step 5: Solve for x
    x = 8,215,991,964.60/101,011.14
  6. Step 6: Final answer
    x = 81,337.48

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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.