Home / 160,694.04-240,943.83-71,931

Finding the Fourth Proportional to 160,694.04, 240,943.83 and 71,931

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Solution

The fourth proportional to 160,694.04, 240,943.83 and 71,931 is: 107,852.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,694.04 : 240,943.83 = 71,931 : x
  2. Step 2: Convert to fraction form
    160,694.04/240,943.83 = 71,931/x
  3. Step 3: Cross multiply
    160,694.04x = 240,943.83 × 71,931
  4. Step 4: Simplify right side
    160,694.04x = 17,331,330,635.73
  5. Step 5: Solve for x
    x = 17,331,330,635.73/160,694.04
  6. Step 6: Final answer
    x = 107,852.98

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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.