Home / 123,769.04-170,801.48-67,180.40

Finding the Fourth Proportional to 123,769.04, 170,801.48 and 67,180.40

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Solution

The fourth proportional to 123,769.04, 170,801.48 and 67,180.40 is: 92,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,769.04 : 170,801.48 = 67,180.40 : x
  2. Step 2: Convert to fraction form
    123,769.04/170,801.48 = 67,180.40/x
  3. Step 3: Cross multiply
    123,769.04x = 170,801.48 × 67,180.40
  4. Step 4: Simplify right side
    123,769.04x = 11,474,511,746.99
  5. Step 5: Solve for x
    x = 11,474,511,746.99/123,769.04
  6. Step 6: Final answer
    x = 92,709.06

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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.