Home / 212,992.40-293,924.79-117,499.07

Finding the Fourth Proportional to 212,992.40, 293,924.79 and 117,499.07

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Solution

The fourth proportional to 212,992.40, 293,924.79 and 117,499.07 is: 162,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,992.40 : 293,924.79 = 117,499.07 : x
  2. Step 2: Convert to fraction form
    212,992.40/293,924.79 = 117,499.07/x
  3. Step 3: Cross multiply
    212,992.40x = 293,924.79 × 117,499.07
  4. Step 4: Simplify right side
    212,992.40x = 34,535,890,209.76
  5. Step 5: Solve for x
    x = 34,535,890,209.76/212,992.40
  6. Step 6: Final answer
    x = 162,146.11

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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.