Home / 144,467.65-199,365.87-80,801.38

Finding the Fourth Proportional to 144,467.65, 199,365.87 and 80,801.38

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Solution

The fourth proportional to 144,467.65, 199,365.87 and 80,801.38 is: 111,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,467.65 : 199,365.87 = 80,801.38 : x
  2. Step 2: Convert to fraction form
    144,467.65/199,365.87 = 80,801.38/x
  3. Step 3: Cross multiply
    144,467.65x = 199,365.87 × 80,801.38
  4. Step 4: Simplify right side
    144,467.65x = 16,109,037,420.90
  5. Step 5: Solve for x
    x = 16,109,037,420.90/144,467.65
  6. Step 6: Final answer
    x = 111,506.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.