Home / 165,261.48-228,063.30-89,810.04

Finding the Fourth Proportional to 165,261.48, 228,063.30 and 89,810.04

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Solution

The fourth proportional to 165,261.48, 228,063.30 and 89,810.04 is: 123,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,261.48 : 228,063.30 = 89,810.04 : x
  2. Step 2: Convert to fraction form
    165,261.48/228,063.30 = 89,810.04/x
  3. Step 3: Cross multiply
    165,261.48x = 228,063.30 × 89,810.04
  4. Step 4: Simplify right side
    165,261.48x = 20,482,374,095.53
  5. Step 5: Solve for x
    x = 20,482,374,095.53/165,261.48
  6. Step 6: Final answer
    x = 123,939.19

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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.