Home / 100,854.13-151,297.62-29,783.96

Finding the Fourth Proportional to 100,854.13, 151,297.62 and 29,783.96

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Solution

The fourth proportional to 100,854.13, 151,297.62 and 29,783.96 is: 44,680.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,854.13 : 151,297.62 = 29,783.96 : x
  2. Step 2: Convert to fraction form
    100,854.13/151,297.62 = 29,783.96/x
  3. Step 3: Cross multiply
    100,854.13x = 151,297.62 × 29,783.96
  4. Step 4: Simplify right side
    100,854.13x = 4,506,242,187.72
  5. Step 5: Solve for x
    x = 4,506,242,187.72/100,854.13
  6. Step 6: Final answer
    x = 44,680.79

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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.