Home / 165,403.86-228,252.45-93,790.42

Finding the Fourth Proportional to 165,403.86, 228,252.45 and 93,790.42

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Solution

The fourth proportional to 165,403.86, 228,252.45 and 93,790.42 is: 129,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,403.86 : 228,252.45 = 93,790.42 : x
  2. Step 2: Convert to fraction form
    165,403.86/228,252.45 = 93,790.42/x
  3. Step 3: Cross multiply
    165,403.86x = 228,252.45 × 93,790.42
  4. Step 4: Simplify right side
    165,403.86x = 21,407,893,151.53
  5. Step 5: Solve for x
    x = 21,407,893,151.53/165,403.86
  6. Step 6: Final answer
    x = 129,428.01

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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.