Home / 165,639.80-228,612.30-94,005.56

Finding the Fourth Proportional to 165,639.80, 228,612.30 and 94,005.56

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Solution

The fourth proportional to 165,639.80, 228,612.30 and 94,005.56 is: 129,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,639.80 : 228,612.30 = 94,005.56 : x
  2. Step 2: Convert to fraction form
    165,639.80/228,612.30 = 94,005.56/x
  3. Step 3: Cross multiply
    165,639.80x = 228,612.30 × 94,005.56
  4. Step 4: Simplify right side
    165,639.80x = 21,490,827,284.39
  5. Step 5: Solve for x
    x = 21,490,827,284.39/165,639.80
  6. Step 6: Final answer
    x = 129,744.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.