Home / 109,110.40-163,665.60-106,518.40

Finding the Fourth Proportional to 109,110.40, 163,665.60 and 106,518.40

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Solution

The fourth proportional to 109,110.40, 163,665.60 and 106,518.40 is: 159,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,110.40 : 163,665.60 = 106,518.40 : x
  2. Step 2: Convert to fraction form
    109,110.40/163,665.60 = 106,518.40/x
  3. Step 3: Cross multiply
    109,110.40x = 163,665.60 × 106,518.40
  4. Step 4: Simplify right side
    109,110.40x = 17,433,397,847.04
  5. Step 5: Solve for x
    x = 17,433,397,847.04/109,110.40
  6. Step 6: Final answer
    x = 159,777.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.