Home / 212,738.85-293,581.40-117,245.79

Finding the Fourth Proportional to 212,738.85, 293,581.40 and 117,245.79

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Solution

The fourth proportional to 212,738.85, 293,581.40 and 117,245.79 is: 161,800.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,738.85 : 293,581.40 = 117,245.79 : x
  2. Step 2: Convert to fraction form
    212,738.85/293,581.40 = 117,245.79/x
  3. Step 3: Cross multiply
    212,738.85x = 293,581.40 × 117,245.79
  4. Step 4: Simplify right side
    212,738.85x = 34,421,182,586.08
  5. Step 5: Solve for x
    x = 34,421,182,586.08/212,738.85
  6. Step 6: Final answer
    x = 161,800.17

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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.