Home / 165,438.66-228,345.91-93,860.58

Finding the Fourth Proportional to 165,438.66, 228,345.91 and 93,860.58

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Solution

The fourth proportional to 165,438.66, 228,345.91 and 93,860.58 is: 129,550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,438.66 : 228,345.91 = 93,860.58 : x
  2. Step 2: Convert to fraction form
    165,438.66/228,345.91 = 93,860.58/x
  3. Step 3: Cross multiply
    165,438.66x = 228,345.91 × 93,860.58
  4. Step 4: Simplify right side
    165,438.66x = 21,432,679,318.58
  5. Step 5: Solve for x
    x = 21,432,679,318.58/165,438.66
  6. Step 6: Final answer
    x = 129,550.61

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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.