Home / 100,982.76-151,474.14-63,969

Finding the Fourth Proportional to 100,982.76, 151,474.14 and 63,969

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Solution

The fourth proportional to 100,982.76, 151,474.14 and 63,969 is: 95,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,982.76 : 151,474.14 = 63,969 : x
  2. Step 2: Convert to fraction form
    100,982.76/151,474.14 = 63,969/x
  3. Step 3: Cross multiply
    100,982.76x = 151,474.14 × 63,969
  4. Step 4: Simplify right side
    100,982.76x = 9,689,649,261.66
  5. Step 5: Solve for x
    x = 9,689,649,261.66/100,982.76
  6. Step 6: Final answer
    x = 95,953.50

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1.5x scale

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.