Home / 212,722.46-293,557.05-115,926.35

Finding the Fourth Proportional to 212,722.46, 293,557.05 and 115,926.35

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Solution

The fourth proportional to 212,722.46, 293,557.05 and 115,926.35 is: 159,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,722.46 : 293,557.05 = 115,926.35 : x
  2. Step 2: Convert to fraction form
    212,722.46/293,557.05 = 115,926.35/x
  3. Step 3: Cross multiply
    212,722.46x = 293,557.05 × 115,926.35
  4. Step 4: Simplify right side
    212,722.46x = 34,030,995,855.48
  5. Step 5: Solve for x
    x = 34,030,995,855.48/212,722.46
  6. Step 6: Final answer
    x = 159,978.39

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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.