Home / 288,769.16-433,227.56-111,228.50

Finding the Fourth Proportional to 288,769.16, 433,227.56 and 111,228.50

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Solution

The fourth proportional to 288,769.16, 433,227.56 and 111,228.50 is: 166,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,769.16 : 433,227.56 = 111,228.50 : x
  2. Step 2: Convert to fraction form
    288,769.16/433,227.56 = 111,228.50/x
  3. Step 3: Cross multiply
    288,769.16x = 433,227.56 × 111,228.50
  4. Step 4: Simplify right side
    288,769.16x = 48,187,252,184.39
  5. Step 5: Solve for x
    x = 48,187,252,184.39/288,769.16
  6. Step 6: Final answer
    x = 166,871.18

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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.