Home / 109,212.30-163,818.45-96,090.30

Finding the Fourth Proportional to 109,212.30, 163,818.45 and 96,090.30

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Solution

The fourth proportional to 109,212.30, 163,818.45 and 96,090.30 is: 144,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,212.30 : 163,818.45 = 96,090.30 : x
  2. Step 2: Convert to fraction form
    109,212.30/163,818.45 = 96,090.30/x
  3. Step 3: Cross multiply
    109,212.30x = 163,818.45 × 96,090.30
  4. Step 4: Simplify right side
    109,212.30x = 15,741,364,006.04
  5. Step 5: Solve for x
    x = 15,741,364,006.04/109,212.30
  6. Step 6: Final answer
    x = 144,135.45

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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.