Home / 212,795.45-293,657.61-117,303.74

Finding the Fourth Proportional to 212,795.45, 293,657.61 and 117,303.74

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Solution

The fourth proportional to 212,795.45, 293,657.61 and 117,303.74 is: 161,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,795.45 : 293,657.61 = 117,303.74 : x
  2. Step 2: Convert to fraction form
    212,795.45/293,657.61 = 117,303.74/x
  3. Step 3: Cross multiply
    212,795.45x = 293,657.61 × 117,303.74
  4. Step 4: Simplify right side
    212,795.45x = 34,447,135,932.46
  5. Step 5: Solve for x
    x = 34,447,135,932.46/212,795.45
  6. Step 6: Final answer
    x = 161,879.10

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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.