Home / 207,003.80-285,666.83-115,124.38

Finding the Fourth Proportional to 207,003.80, 285,666.83 and 115,124.38

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Solution

The fourth proportional to 207,003.80, 285,666.83 and 115,124.38 is: 158,872.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,003.80 : 285,666.83 = 115,124.38 : x
  2. Step 2: Convert to fraction form
    207,003.80/285,666.83 = 115,124.38/x
  3. Step 3: Cross multiply
    207,003.80x = 285,666.83 × 115,124.38
  4. Step 4: Simplify right side
    207,003.80x = 32,887,215,832.24
  5. Step 5: Solve for x
    x = 32,887,215,832.24/207,003.80
  6. Step 6: Final answer
    x = 158,872.52

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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.