Home / 120,977.04-166,948.24-67,985.04

Finding the Fourth Proportional to 120,977.04, 166,948.24 and 67,985.04

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Solution

The fourth proportional to 120,977.04, 166,948.24 and 67,985.04 is: 93,819.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,977.04 : 166,948.24 = 67,985.04 : x
  2. Step 2: Convert to fraction form
    120,977.04/166,948.24 = 67,985.04/x
  3. Step 3: Cross multiply
    120,977.04x = 166,948.24 × 67,985.04
  4. Step 4: Simplify right side
    120,977.04x = 11,349,982,774.33
  5. Step 5: Solve for x
    x = 11,349,982,774.33/120,977.04
  6. Step 6: Final answer
    x = 93,819.31

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1.5x scale

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.