Home / 293,728.28-440,586.23-158,856.66

Finding the Fourth Proportional to 293,728.28, 440,586.23 and 158,856.66

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Solution

The fourth proportional to 293,728.28, 440,586.23 and 158,856.66 is: 238,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,728.28 : 440,586.23 = 158,856.66 : x
  2. Step 2: Convert to fraction form
    293,728.28/440,586.23 = 158,856.66/x
  3. Step 3: Cross multiply
    293,728.28x = 440,586.23 × 158,856.66
  4. Step 4: Simplify right side
    293,728.28x = 69,990,056,145.51
  5. Step 5: Solve for x
    x = 69,990,056,145.51/293,728.28
  6. Step 6: Final answer
    x = 238,281.64

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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.