Home / 292,623.15-439,119.24-115,107.09

Finding the Fourth Proportional to 292,623.15, 439,119.24 and 115,107.09

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Solution

The fourth proportional to 292,623.15, 439,119.24 and 115,107.09 is: 172,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,623.15 : 439,119.24 = 115,107.09 : x
  2. Step 2: Convert to fraction form
    292,623.15/439,119.24 = 115,107.09/x
  3. Step 3: Cross multiply
    292,623.15x = 439,119.24 × 115,107.09
  4. Step 4: Simplify right side
    292,623.15x = 50,545,737,879.41
  5. Step 5: Solve for x
    x = 50,545,737,879.41/292,623.15
  6. Step 6: Final answer
    x = 172,733.22

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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.