Home / 165,345.06-228,174.93-89,894.10

Finding the Fourth Proportional to 165,345.06, 228,174.93 and 89,894.10

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Solution

The fourth proportional to 165,345.06, 228,174.93 and 89,894.10 is: 124,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,345.06 : 228,174.93 = 89,894.10 : x
  2. Step 2: Convert to fraction form
    165,345.06/228,174.93 = 89,894.10/x
  3. Step 3: Cross multiply
    165,345.06x = 228,174.93 × 89,894.10
  4. Step 4: Simplify right side
    165,345.06x = 20,511,579,974.91
  5. Step 5: Solve for x
    x = 20,511,579,974.91/165,345.06
  6. Step 6: Final answer
    x = 124,053.18

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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.