Home / 331,445.08-497,345.78-144,445.24

Finding the Fourth Proportional to 331,445.08, 497,345.78 and 144,445.24

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Solution

The fourth proportional to 331,445.08, 497,345.78 and 144,445.24 is: 216,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,445.08 : 497,345.78 = 144,445.24 : x
  2. Step 2: Convert to fraction form
    331,445.08/497,345.78 = 144,445.24/x
  3. Step 3: Cross multiply
    331,445.08x = 497,345.78 × 144,445.24
  4. Step 4: Simplify right side
    331,445.08x = 71,839,230,555.09
  5. Step 5: Solve for x
    x = 71,839,230,555.09/331,445.08
  6. Step 6: Final answer
    x = 216,745.50

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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.