Home / 293,722.20-440,276.10-160,397.40

Finding the Fourth Proportional to 293,722.20, 440,276.10 and 160,397.40

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Solution

The fourth proportional to 293,722.20, 440,276.10 and 160,397.40 is: 240,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,722.20 : 440,276.10 = 160,397.40 : x
  2. Step 2: Convert to fraction form
    293,722.20/440,276.10 = 160,397.40/x
  3. Step 3: Cross multiply
    293,722.20x = 440,276.10 × 160,397.40
  4. Step 4: Simplify right side
    293,722.20x = 70,619,141,722.14
  5. Step 5: Solve for x
    x = 70,619,141,722.14/293,722.20
  6. Step 6: Final answer
    x = 240,428.34

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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.