Home / 109,426.16-164,139.24-26,320.16

Finding the Fourth Proportional to 109,426.16, 164,139.24 and 26,320.16

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Solution

The fourth proportional to 109,426.16, 164,139.24 and 26,320.16 is: 39,480.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,426.16 : 164,139.24 = 26,320.16 : x
  2. Step 2: Convert to fraction form
    109,426.16/164,139.24 = 26,320.16/x
  3. Step 3: Cross multiply
    109,426.16x = 164,139.24 × 26,320.16
  4. Step 4: Simplify right side
    109,426.16x = 4,320,171,059.08
  5. Step 5: Solve for x
    x = 4,320,171,059.08/109,426.16
  6. Step 6: Final answer
    x = 39,480.24

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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.