Home / 109,145.00-163,744.75-38,068.66

Finding the Fourth Proportional to 109,145.00, 163,744.75 and 38,068.66

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Solution

The fourth proportional to 109,145.00, 163,744.75 and 38,068.66 is: 57,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,145.00 : 163,744.75 = 38,068.66 : x
  2. Step 2: Convert to fraction form
    109,145.00/163,744.75 = 38,068.66/x
  3. Step 3: Cross multiply
    109,145.00x = 163,744.75 × 38,068.66
  4. Step 4: Simplify right side
    109,145.00x = 6,233,542,638.62
  5. Step 5: Solve for x
    x = 6,233,542,638.62/109,145.00
  6. Step 6: Final answer
    x = 57,112.49

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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.