Home / 100,102.08-150,347.52-73,702.56

Finding the Fourth Proportional to 100,102.08, 150,347.52 and 73,702.56

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Solution

The fourth proportional to 100,102.08, 150,347.52 and 73,702.56 is: 110,696.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,102.08 : 150,347.52 = 73,702.56 : x
  2. Step 2: Convert to fraction form
    100,102.08/150,347.52 = 73,702.56/x
  3. Step 3: Cross multiply
    100,102.08x = 150,347.52 × 73,702.56
  4. Step 4: Simplify right side
    100,102.08x = 11,080,997,113.65
  5. Step 5: Solve for x
    x = 11,080,997,113.65/100,102.08
  6. Step 6: Final answer
    x = 110,696.97

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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.