Home / 212,711.63-293,543.01-117,216.27

Finding the Fourth Proportional to 212,711.63, 293,543.01 and 117,216.27

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Solution

The fourth proportional to 212,711.63, 293,543.01 and 117,216.27 is: 161,758.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,711.63 : 293,543.01 = 117,216.27 : x
  2. Step 2: Convert to fraction form
    212,711.63/293,543.01 = 117,216.27/x
  3. Step 3: Cross multiply
    212,711.63x = 293,543.01 × 117,216.27
  4. Step 4: Simplify right side
    212,711.63x = 34,408,016,716.77
  5. Step 5: Solve for x
    x = 34,408,016,716.77/212,711.63
  6. Step 6: Final answer
    x = 161,758.99

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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.