Home / 165,577.68-228,501.36-90,126

Finding the Fourth Proportional to 165,577.68, 228,501.36 and 90,126

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Solution

The fourth proportional to 165,577.68, 228,501.36 and 90,126 is: 124,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,577.68 : 228,501.36 = 90,126 : x
  2. Step 2: Convert to fraction form
    165,577.68/228,501.36 = 90,126/x
  3. Step 3: Cross multiply
    165,577.68x = 228,501.36 × 90,126
  4. Step 4: Simplify right side
    165,577.68x = 20,593,913,571.36
  5. Step 5: Solve for x
    x = 20,593,913,571.36/165,577.68
  6. Step 6: Final answer
    x = 124,376.15

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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.