Home / 440,188.77-660,533.03-187,442.90

Finding the Fourth Proportional to 440,188.77, 660,533.03 and 187,442.90

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Solution

The fourth proportional to 440,188.77, 660,533.03 and 187,442.90 is: 281,270.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,188.77 : 660,533.03 = 187,442.90 : x
  2. Step 2: Convert to fraction form
    440,188.77/660,533.03 = 187,442.90/x
  3. Step 3: Cross multiply
    440,188.77x = 660,533.03 × 187,442.90
  4. Step 4: Simplify right side
    440,188.77x = 123,812,227,383.19
  5. Step 5: Solve for x
    x = 123,812,227,383.19/440,188.77
  6. Step 6: Final answer
    x = 281,270.76

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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.