Home / 160,723.80-221,754.96-100,304.10

Finding the Fourth Proportional to 160,723.80, 221,754.96 and 100,304.10

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Solution

The fourth proportional to 160,723.80, 221,754.96 and 100,304.10 is: 138,392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,723.80 : 221,754.96 = 100,304.10 : x
  2. Step 2: Convert to fraction form
    160,723.80/221,754.96 = 100,304.10/x
  3. Step 3: Cross multiply
    160,723.80x = 221,754.96 × 100,304.10
  4. Step 4: Simplify right side
    160,723.80x = 22,242,931,683.34
  5. Step 5: Solve for x
    x = 22,242,931,683.34/160,723.80
  6. Step 6: Final answer
    x = 138,392.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.