Home / 440,444.16-660,764.69-140,942.72

Finding the Fourth Proportional to 440,444.16, 660,764.69 and 140,942.72

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Solution

The fourth proportional to 440,444.16, 660,764.69 and 140,942.72 is: 211,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,444.16 : 660,764.69 = 140,942.72 : x
  2. Step 2: Convert to fraction form
    440,444.16/660,764.69 = 140,942.72/x
  3. Step 3: Cross multiply
    440,444.16x = 660,764.69 × 140,942.72
  4. Step 4: Simplify right side
    440,444.16x = 93,129,968,680.02
  5. Step 5: Solve for x
    x = 93,129,968,680.02/440,444.16
  6. Step 6: Final answer
    x = 211,445.58

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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.