Home / 440,853.30-661,574.51-160,370.55

Finding the Fourth Proportional to 440,853.30, 661,574.51 and 160,370.55

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Solution

The fourth proportional to 440,853.30, 661,574.51 and 160,370.55 is: 240,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,853.30 : 661,574.51 = 160,370.55 : x
  2. Step 2: Convert to fraction form
    440,853.30/661,574.51 = 160,370.55/x
  3. Step 3: Cross multiply
    440,853.30x = 661,574.51 × 160,370.55
  4. Step 4: Simplify right side
    440,853.30x = 106,097,067,232.83
  5. Step 5: Solve for x
    x = 106,097,067,232.83/440,853.30
  6. Step 6: Final answer
    x = 240,662.98

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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.