Home / 109,019.01-163,496.92-42,444.30

Finding the Fourth Proportional to 109,019.01, 163,496.92 and 42,444.30

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Solution

The fourth proportional to 109,019.01, 163,496.92 and 42,444.30 is: 63,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,019.01 : 163,496.92 = 42,444.30 : x
  2. Step 2: Convert to fraction form
    109,019.01/163,496.92 = 42,444.30/x
  3. Step 3: Cross multiply
    109,019.01x = 163,496.92 × 42,444.30
  4. Step 4: Simplify right side
    109,019.01x = 6,939,512,321.56
  5. Step 5: Solve for x
    x = 6,939,512,321.56/109,019.01
  6. Step 6: Final answer
    x = 63,654.15

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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.