Home / 240,613.08-360,795.26-105,621.90

Finding the Fourth Proportional to 240,613.08, 360,795.26 and 105,621.90

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Solution

The fourth proportional to 240,613.08, 360,795.26 and 105,621.90 is: 158,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,613.08 : 360,795.26 = 105,621.90 : x
  2. Step 2: Convert to fraction form
    240,613.08/360,795.26 = 105,621.90/x
  3. Step 3: Cross multiply
    240,613.08x = 360,795.26 × 105,621.90
  4. Step 4: Simplify right side
    240,613.08x = 38,107,880,872.19
  5. Step 5: Solve for x
    x = 38,107,880,872.19/240,613.08
  6. Step 6: Final answer
    x = 158,378.26

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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.