Home / 217,779.02-326,848.65-111,241.74

Finding the Fourth Proportional to 217,779.02, 326,848.65 and 111,241.74

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Solution

The fourth proportional to 217,779.02, 326,848.65 and 111,241.74 is: 166,954.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,779.02 : 326,848.65 = 111,241.74 : x
  2. Step 2: Convert to fraction form
    217,779.02/326,848.65 = 111,241.74/x
  3. Step 3: Cross multiply
    217,779.02x = 326,848.65 × 111,241.74
  4. Step 4: Simplify right side
    217,779.02x = 36,359,212,542.65
  5. Step 5: Solve for x
    x = 36,359,212,542.65/217,779.02
  6. Step 6: Final answer
    x = 166,954.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.