Home / 165,264.06-228,064.50-89,812.56

Finding the Fourth Proportional to 165,264.06, 228,064.50 and 89,812.56

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Solution

The fourth proportional to 165,264.06, 228,064.50 and 89,812.56 is: 123,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,264.06 : 228,064.50 = 89,812.56 : x
  2. Step 2: Convert to fraction form
    165,264.06/228,064.50 = 89,812.56/x
  3. Step 3: Cross multiply
    165,264.06x = 228,064.50 × 89,812.56
  4. Step 4: Simplify right side
    165,264.06x = 20,483,056,590.12
  5. Step 5: Solve for x
    x = 20,483,056,590.12/165,264.06
  6. Step 6: Final answer
    x = 123,941.39

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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.