Home / 119,890.02-165,437.75-76,793.49

Finding the Fourth Proportional to 119,890.02, 165,437.75 and 76,793.49

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Solution

The fourth proportional to 119,890.02, 165,437.75 and 76,793.49 is: 105,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,890.02 : 165,437.75 = 76,793.49 : x
  2. Step 2: Convert to fraction form
    119,890.02/165,437.75 = 76,793.49/x
  3. Step 3: Cross multiply
    119,890.02x = 165,437.75 × 76,793.49
  4. Step 4: Simplify right side
    119,890.02x = 12,704,542,200.25
  5. Step 5: Solve for x
    x = 12,704,542,200.25/119,890.02
  6. Step 6: Final answer
    x = 105,968.30

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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.