Home / 220,650.28-304,487.76-122,527.48

Finding the Fourth Proportional to 220,650.28, 304,487.76 and 122,527.48

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Solution

The fourth proportional to 220,650.28, 304,487.76 and 122,527.48 is: 169,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,650.28 : 304,487.76 = 122,527.48 : x
  2. Step 2: Convert to fraction form
    220,650.28/304,487.76 = 122,527.48/x
  3. Step 3: Cross multiply
    220,650.28x = 304,487.76 × 122,527.48
  4. Step 4: Simplify right side
    220,650.28x = 37,308,117,923.64
  5. Step 5: Solve for x
    x = 37,308,117,923.64/220,650.28
  6. Step 6: Final answer
    x = 169,082.58

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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.