Home / 212,641.43-293,458.41-117,148.10

Finding the Fourth Proportional to 212,641.43, 293,458.41 and 117,148.10

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Solution

The fourth proportional to 212,641.43, 293,458.41 and 117,148.10 is: 161,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,641.43 : 293,458.41 = 117,148.10 : x
  2. Step 2: Convert to fraction form
    212,641.43/293,458.41 = 117,148.10/x
  3. Step 3: Cross multiply
    212,641.43x = 293,458.41 × 117,148.10
  4. Step 4: Simplify right side
    212,641.43x = 34,378,093,693.23
  5. Step 5: Solve for x
    x = 34,378,093,693.23/212,641.43
  6. Step 6: Final answer
    x = 161,671.67

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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.