Home / 109,325.40-164,016.90-39,197.40

Finding the Fourth Proportional to 109,325.40, 164,016.90 and 39,197.40

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Solution

The fourth proportional to 109,325.40, 164,016.90 and 39,197.40 is: 58,806.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,325.40 : 164,016.90 = 39,197.40 : x
  2. Step 2: Convert to fraction form
    109,325.40/164,016.90 = 39,197.40/x
  3. Step 3: Cross multiply
    109,325.40x = 164,016.90 × 39,197.40
  4. Step 4: Simplify right side
    109,325.40x = 6,429,036,036.06
  5. Step 5: Solve for x
    x = 6,429,036,036.06/109,325.40
  6. Step 6: Final answer
    x = 58,806.43

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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.