Home / 109,497.40-164,246.10-39,383.80

Finding the Fourth Proportional to 109,497.40, 164,246.10 and 39,383.80

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Solution

The fourth proportional to 109,497.40, 164,246.10 and 39,383.80 is: 59,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,497.40 : 164,246.10 = 39,383.80 : x
  2. Step 2: Convert to fraction form
    109,497.40/164,246.10 = 39,383.80/x
  3. Step 3: Cross multiply
    109,497.40x = 164,246.10 × 39,383.80
  4. Step 4: Simplify right side
    109,497.40x = 6,468,635,553.18
  5. Step 5: Solve for x
    x = 6,468,635,553.18/109,497.40
  6. Step 6: Final answer
    x = 59,075.70

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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.