Home / 165,320.61-228,145.08-93,699.10

Finding the Fourth Proportional to 165,320.61, 228,145.08 and 93,699.10

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Solution

The fourth proportional to 165,320.61, 228,145.08 and 93,699.10 is: 129,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,320.61 : 228,145.08 = 93,699.10 : x
  2. Step 2: Convert to fraction form
    165,320.61/228,145.08 = 93,699.10/x
  3. Step 3: Cross multiply
    165,320.61x = 228,145.08 × 93,699.10
  4. Step 4: Simplify right side
    165,320.61x = 21,376,987,755.14
  5. Step 5: Solve for x
    x = 21,376,987,755.14/165,320.61
  6. Step 6: Final answer
    x = 129,306.25

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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.