Home / 212,565.87-293,354.16-117,072.54

Finding the Fourth Proportional to 212,565.87, 293,354.16 and 117,072.54

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Solution

The fourth proportional to 212,565.87, 293,354.16 and 117,072.54 is: 161,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,565.87 : 293,354.16 = 117,072.54 : x
  2. Step 2: Convert to fraction form
    212,565.87/293,354.16 = 117,072.54/x
  3. Step 3: Cross multiply
    212,565.87x = 293,354.16 × 117,072.54
  4. Step 4: Simplify right side
    212,565.87x = 34,343,716,191.74
  5. Step 5: Solve for x
    x = 34,343,716,191.74/212,565.87
  6. Step 6: Final answer
    x = 161,567.41

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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.