Home / 207,436.36-286,265.82-122,553.22

Finding the Fourth Proportional to 207,436.36, 286,265.82 and 122,553.22

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Solution

The fourth proportional to 207,436.36, 286,265.82 and 122,553.22 is: 169,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,436.36 : 286,265.82 = 122,553.22 : x
  2. Step 2: Convert to fraction form
    207,436.36/286,265.82 = 122,553.22/x
  3. Step 3: Cross multiply
    207,436.36x = 286,265.82 × 122,553.22
  4. Step 4: Simplify right side
    207,436.36x = 35,082,798,016.94
  5. Step 5: Solve for x
    x = 35,082,798,016.94/207,436.36
  6. Step 6: Final answer
    x = 169,125.60

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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.