Home / 109,479.12-164,218.76-26,373.20

Finding the Fourth Proportional to 109,479.12, 164,218.76 and 26,373.20

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Solution

The fourth proportional to 109,479.12, 164,218.76 and 26,373.20 is: 39,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,479.12 : 164,218.76 = 26,373.20 : x
  2. Step 2: Convert to fraction form
    109,479.12/164,218.76 = 26,373.20/x
  3. Step 3: Cross multiply
    109,479.12x = 164,218.76 × 26,373.20
  4. Step 4: Simplify right side
    109,479.12x = 4,330,974,201.23
  5. Step 5: Solve for x
    x = 4,330,974,201.23/109,479.12
  6. Step 6: Final answer
    x = 39,559.82

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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.