Home / 101,179.18-151,641.17-51,271.84

Finding the Fourth Proportional to 101,179.18, 151,641.17 and 51,271.84

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Solution

The fourth proportional to 101,179.18, 151,641.17 and 51,271.84 is: 76,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,179.18 : 151,641.17 = 51,271.84 : x
  2. Step 2: Convert to fraction form
    101,179.18/151,641.17 = 51,271.84/x
  3. Step 3: Cross multiply
    101,179.18x = 151,641.17 × 51,271.84
  4. Step 4: Simplify right side
    101,179.18x = 7,774,921,170.19
  5. Step 5: Solve for x
    x = 7,774,921,170.19/101,179.18
  6. Step 6: Final answer
    x = 76,843.10

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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.