Home / 165,381.10-228,206.91-93,746.86

Finding the Fourth Proportional to 165,381.10, 228,206.91 and 93,746.86

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Solution

The fourth proportional to 165,381.10, 228,206.91 and 93,746.86 is: 129,359.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,381.10 : 228,206.91 = 93,746.86 : x
  2. Step 2: Convert to fraction form
    165,381.10/228,206.91 = 93,746.86/x
  3. Step 3: Cross multiply
    165,381.10x = 228,206.91 × 93,746.86
  4. Step 4: Simplify right side
    165,381.10x = 21,393,681,242.80
  5. Step 5: Solve for x
    x = 21,393,681,242.80/165,381.10
  6. Step 6: Final answer
    x = 129,359.89

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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.