Home / 293,722.22-440,583.75-72,106.22

Finding the Fourth Proportional to 293,722.22, 440,583.75 and 72,106.22

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Solution

The fourth proportional to 293,722.22, 440,583.75 and 72,106.22 is: 108,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,722.22 : 440,583.75 = 72,106.22 : x
  2. Step 2: Convert to fraction form
    293,722.22/440,583.75 = 72,106.22/x
  3. Step 3: Cross multiply
    293,722.22x = 440,583.75 × 72,106.22
  4. Step 4: Simplify right side
    293,722.22x = 31,768,828,805.93
  5. Step 5: Solve for x
    x = 31,768,828,805.93/293,722.22
  6. Step 6: Final answer
    x = 108,159.43

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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.