Home / 220,186.56-303,950.24-148,663.36

Finding the Fourth Proportional to 220,186.56, 303,950.24 and 148,663.36

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Solution

The fourth proportional to 220,186.56, 303,950.24 and 148,663.36 is: 205,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,186.56 : 303,950.24 = 148,663.36 : x
  2. Step 2: Convert to fraction form
    220,186.56/303,950.24 = 148,663.36/x
  3. Step 3: Cross multiply
    220,186.56x = 303,950.24 × 148,663.36
  4. Step 4: Simplify right side
    220,186.56x = 45,186,263,951.21
  5. Step 5: Solve for x
    x = 45,186,263,951.21/220,186.56
  6. Step 6: Final answer
    x = 205,218.08

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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.