Home / 240,840.81-361,345.05-107,735.13

Finding the Fourth Proportional to 240,840.81, 361,345.05 and 107,735.13

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Solution

The fourth proportional to 240,840.81, 361,345.05 and 107,735.13 is: 161,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,840.81 : 361,345.05 = 107,735.13 : x
  2. Step 2: Convert to fraction form
    240,840.81/361,345.05 = 107,735.13/x
  3. Step 3: Cross multiply
    240,840.81x = 361,345.05 × 107,735.13
  4. Step 4: Simplify right side
    240,840.81x = 38,929,555,936.61
  5. Step 5: Solve for x
    x = 38,929,555,936.61/240,840.81
  6. Step 6: Final answer
    x = 161,640.20

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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.