Home / 100,815.23-151,117.35-37,609.92

Finding the Fourth Proportional to 100,815.23, 151,117.35 and 37,609.92

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Solution

The fourth proportional to 100,815.23, 151,117.35 and 37,609.92 is: 56,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,815.23 : 151,117.35 = 37,609.92 : x
  2. Step 2: Convert to fraction form
    100,815.23/151,117.35 = 37,609.92/x
  3. Step 3: Cross multiply
    100,815.23x = 151,117.35 × 37,609.92
  4. Step 4: Simplify right side
    100,815.23x = 5,683,511,303.07
  5. Step 5: Solve for x
    x = 5,683,511,303.07/100,815.23
  6. Step 6: Final answer
    x = 56,375.52

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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.