Home / 109,333.40-164,000.10-39,203.60

Finding the Fourth Proportional to 109,333.40, 164,000.10 and 39,203.60

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Solution

The fourth proportional to 109,333.40, 164,000.10 and 39,203.60 is: 58,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,333.40 : 164,000.10 = 39,203.60 : x
  2. Step 2: Convert to fraction form
    109,333.40/164,000.10 = 39,203.60/x
  3. Step 3: Cross multiply
    109,333.40x = 164,000.10 × 39,203.60
  4. Step 4: Simplify right side
    109,333.40x = 6,429,394,320.36
  5. Step 5: Solve for x
    x = 6,429,394,320.36/109,333.40
  6. Step 6: Final answer
    x = 58,805.40

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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.