Home / 165,225.93-228,018.12-89,774.43

Finding the Fourth Proportional to 165,225.93, 228,018.12 and 89,774.43

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Solution

The fourth proportional to 165,225.93, 228,018.12 and 89,774.43 is: 123,892.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,225.93 : 228,018.12 = 89,774.43 : x
  2. Step 2: Convert to fraction form
    165,225.93/228,018.12 = 89,774.43/x
  3. Step 3: Cross multiply
    165,225.93x = 228,018.12 × 89,774.43
  4. Step 4: Simplify right side
    165,225.93x = 20,470,196,752.67
  5. Step 5: Solve for x
    x = 20,470,196,752.67/165,225.93
  6. Step 6: Final answer
    x = 123,892.16

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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.