Home / 212,712.06-293,555.70-117,218.73

Finding the Fourth Proportional to 212,712.06, 293,555.70 and 117,218.73

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Solution

The fourth proportional to 212,712.06, 293,555.70 and 117,218.73 is: 161,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,712.06 : 293,555.70 = 117,218.73 : x
  2. Step 2: Convert to fraction form
    212,712.06/293,555.70 = 117,218.73/x
  3. Step 3: Cross multiply
    212,712.06x = 293,555.70 × 117,218.73
  4. Step 4: Simplify right side
    212,712.06x = 34,410,226,338.26
  5. Step 5: Solve for x
    x = 34,410,226,338.26/212,712.06
  6. Step 6: Final answer
    x = 161,769.04

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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.