Home / 119,565.16-165,019.62-91,217.32

Finding the Fourth Proportional to 119,565.16, 165,019.62 and 91,217.32

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Solution

The fourth proportional to 119,565.16, 165,019.62 and 91,217.32 is: 125,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,565.16 : 165,019.62 = 91,217.32 : x
  2. Step 2: Convert to fraction form
    119,565.16/165,019.62 = 91,217.32/x
  3. Step 3: Cross multiply
    119,565.16x = 165,019.62 × 91,217.32
  4. Step 4: Simplify right side
    119,565.16x = 15,052,647,483.82
  5. Step 5: Solve for x
    x = 15,052,647,483.82/119,565.16
  6. Step 6: Final answer
    x = 125,894.93

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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.