Home / 109,109.12-163,669.44-35,242.88

Finding the Fourth Proportional to 109,109.12, 163,669.44 and 35,242.88

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Solution

The fourth proportional to 109,109.12, 163,669.44 and 35,242.88 is: 52,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,109.12 : 163,669.44 = 35,242.88 : x
  2. Step 2: Convert to fraction form
    109,109.12/163,669.44 = 35,242.88/x
  3. Step 3: Cross multiply
    109,109.12x = 163,669.44 × 35,242.88
  4. Step 4: Simplify right side
    109,109.12x = 5,768,182,433.59
  5. Step 5: Solve for x
    x = 5,768,182,433.59/109,109.12
  6. Step 6: Final answer
    x = 52,866.18

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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.