Home / 109,951.08-164,677.44-86,110.08

Finding the Fourth Proportional to 109,951.08, 164,677.44 and 86,110.08

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Solution

The fourth proportional to 109,951.08, 164,677.44 and 86,110.08 is: 128,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,951.08 : 164,677.44 = 86,110.08 : x
  2. Step 2: Convert to fraction form
    109,951.08/164,677.44 = 86,110.08/x
  3. Step 3: Cross multiply
    109,951.08x = 164,677.44 × 86,110.08
  4. Step 4: Simplify right side
    109,951.08x = 14,180,387,532.60
  5. Step 5: Solve for x
    x = 14,180,387,532.60/109,951.08
  6. Step 6: Final answer
    x = 128,969.97

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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.