Home / 109,820.16-151,554.24-67,353.60

Finding the Fourth Proportional to 109,820.16, 151,554.24 and 67,353.60

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Solution

The fourth proportional to 109,820.16, 151,554.24 and 67,353.60 is: 92,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,820.16 : 151,554.24 = 67,353.60 : x
  2. Step 2: Convert to fraction form
    109,820.16/151,554.24 = 67,353.60/x
  3. Step 3: Cross multiply
    109,820.16x = 151,554.24 × 67,353.60
  4. Step 4: Simplify right side
    109,820.16x = 10,207,723,659.26
  5. Step 5: Solve for x
    x = 10,207,723,659.26/109,820.16
  6. Step 6: Final answer
    x = 92,949.45

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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.