Home / 109,675.80-164,513.70-43,118.10

Finding the Fourth Proportional to 109,675.80, 164,513.70 and 43,118.10

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Solution

The fourth proportional to 109,675.80, 164,513.70 and 43,118.10 is: 64,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,675.80 : 164,513.70 = 43,118.10 : x
  2. Step 2: Convert to fraction form
    109,675.80/164,513.70 = 43,118.10/x
  3. Step 3: Cross multiply
    109,675.80x = 164,513.70 × 43,118.10
  4. Step 4: Simplify right side
    109,675.80x = 7,093,518,167.97
  5. Step 5: Solve for x
    x = 7,093,518,167.97/109,675.80
  6. Step 6: Final answer
    x = 64,677.15

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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.