Home / 165,282.09-228,088.22-89,830.59

Finding the Fourth Proportional to 165,282.09, 228,088.22 and 89,830.59

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Solution

The fourth proportional to 165,282.09, 228,088.22 and 89,830.59 is: 123,965.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,282.09 : 228,088.22 = 89,830.59 : x
  2. Step 2: Convert to fraction form
    165,282.09/228,088.22 = 89,830.59/x
  3. Step 3: Cross multiply
    165,282.09x = 228,088.22 × 89,830.59
  4. Step 4: Simplify right side
    165,282.09x = 20,489,298,925.50
  5. Step 5: Solve for x
    x = 20,489,298,925.50/165,282.09
  6. Step 6: Final answer
    x = 123,965.63

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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.