Home / 440,444.70-660,765.32-140,943.25

Finding the Fourth Proportional to 440,444.70, 660,765.32 and 140,943.25

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Solution

The fourth proportional to 440,444.70, 660,765.32 and 140,943.25 is: 211,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,444.70 : 660,765.32 = 140,943.25 : x
  2. Step 2: Convert to fraction form
    440,444.70/660,765.32 = 140,943.25/x
  3. Step 3: Cross multiply
    440,444.70x = 660,765.32 × 140,943.25
  4. Step 4: Simplify right side
    440,444.70x = 93,130,412,337.87
  5. Step 5: Solve for x
    x = 93,130,412,337.87/440,444.70
  6. Step 6: Final answer
    x = 211,446.32

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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.