Home / 140,802.36-211,217.40-40,963.56

Finding the Fourth Proportional to 140,802.36, 211,217.40 and 40,963.56

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Solution

The fourth proportional to 140,802.36, 211,217.40 and 40,963.56 is: 61,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,802.36 : 211,217.40 = 40,963.56 : x
  2. Step 2: Convert to fraction form
    140,802.36/211,217.40 = 40,963.56/x
  3. Step 3: Cross multiply
    140,802.36x = 211,217.40 × 40,963.56
  4. Step 4: Simplify right side
    140,802.36x = 8,652,216,637.94
  5. Step 5: Solve for x
    x = 8,652,216,637.94/140,802.36
  6. Step 6: Final answer
    x = 61,449.37

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1.5x scale

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.