Home / 100,682.18-151,019.84-25,803.06

Finding the Fourth Proportional to 100,682.18, 151,019.84 and 25,803.06

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Solution

The fourth proportional to 100,682.18, 151,019.84 and 25,803.06 is: 38,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,682.18 : 151,019.84 = 25,803.06 : x
  2. Step 2: Convert to fraction form
    100,682.18/151,019.84 = 25,803.06/x
  3. Step 3: Cross multiply
    100,682.18x = 151,019.84 × 25,803.06
  4. Step 4: Simplify right side
    100,682.18x = 3,896,773,373.50
  5. Step 5: Solve for x
    x = 3,896,773,373.50/100,682.18
  6. Step 6: Final answer
    x = 38,703.71

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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.