Home / 109,637.04-151,301.88-67,218.96

Finding the Fourth Proportional to 109,637.04, 151,301.88 and 67,218.96

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Solution

The fourth proportional to 109,637.04, 151,301.88 and 67,218.96 is: 92,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,637.04 : 151,301.88 = 67,218.96 : x
  2. Step 2: Convert to fraction form
    109,637.04/151,301.88 = 67,218.96/x
  3. Step 3: Cross multiply
    109,637.04x = 151,301.88 × 67,218.96
  4. Step 4: Simplify right side
    109,637.04x = 10,170,355,019.64
  5. Step 5: Solve for x
    x = 10,170,355,019.64/109,637.04
  6. Step 6: Final answer
    x = 92,763.86

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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.