Home / 212,874.12-293,779.02-117,380.52

Finding the Fourth Proportional to 212,874.12, 293,779.02 and 117,380.52

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Solution

The fourth proportional to 212,874.12, 293,779.02 and 117,380.52 is: 161,992.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,874.12 : 293,779.02 = 117,380.52 : x
  2. Step 2: Convert to fraction form
    212,874.12/293,779.02 = 117,380.52/x
  3. Step 3: Cross multiply
    212,874.12x = 293,779.02 × 117,380.52
  4. Step 4: Simplify right side
    212,874.12x = 34,483,934,132.69
  5. Step 5: Solve for x
    x = 34,483,934,132.69/212,874.12
  6. Step 6: Final answer
    x = 161,992.14

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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.