Home / 100,818.48-151,122.21-37,613.17

Finding the Fourth Proportional to 100,818.48, 151,122.21 and 37,613.17

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Solution

The fourth proportional to 100,818.48, 151,122.21 and 37,613.17 is: 56,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,818.48 : 151,122.21 = 37,613.17 : x
  2. Step 2: Convert to fraction form
    100,818.48/151,122.21 = 37,613.17/x
  3. Step 3: Cross multiply
    100,818.48x = 151,122.21 × 37,613.17
  4. Step 4: Simplify right side
    100,818.48x = 5,684,185,375.51
  5. Step 5: Solve for x
    x = 5,684,185,375.51/100,818.48
  6. Step 6: Final answer
    x = 56,380.39

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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.