Home / 440,444.76-660,765.56-140,943.31

Finding the Fourth Proportional to 440,444.76, 660,765.56 and 140,943.31

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Solution

The fourth proportional to 440,444.76, 660,765.56 and 140,943.31 is: 211,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,444.76 : 660,765.56 = 140,943.31 : x
  2. Step 2: Convert to fraction form
    440,444.76/660,765.56 = 140,943.31/x
  3. Step 3: Cross multiply
    440,444.76x = 660,765.56 × 140,943.31
  4. Step 4: Simplify right side
    440,444.76x = 93,130,485,281.64
  5. Step 5: Solve for x
    x = 93,130,485,281.64/440,444.76
  6. Step 6: Final answer
    x = 211,446.46

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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.