Home / 165,356.17-228,191.21-89,904.49

Finding the Fourth Proportional to 165,356.17, 228,191.21 and 89,904.49

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Solution

The fourth proportional to 165,356.17, 228,191.21 and 89,904.49 is: 124,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,356.17 : 228,191.21 = 89,904.49 : x
  2. Step 2: Convert to fraction form
    165,356.17/228,191.21 = 89,904.49/x
  3. Step 3: Cross multiply
    165,356.17x = 228,191.21 × 89,904.49
  4. Step 4: Simplify right side
    165,356.17x = 20,515,413,674.67
  5. Step 5: Solve for x
    x = 20,515,413,674.67/165,356.17
  6. Step 6: Final answer
    x = 124,068.03

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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.