Home / 165,869.18-228,899.12-93,272.32

Finding the Fourth Proportional to 165,869.18, 228,899.12 and 93,272.32

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Solution

The fourth proportional to 165,869.18, 228,899.12 and 93,272.32 is: 128,715.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,869.18 : 228,899.12 = 93,272.32 : x
  2. Step 2: Convert to fraction form
    165,869.18/228,899.12 = 93,272.32/x
  3. Step 3: Cross multiply
    165,869.18x = 228,899.12 × 93,272.32
  4. Step 4: Simplify right side
    165,869.18x = 21,349,951,968.36
  5. Step 5: Solve for x
    x = 21,349,951,968.36/165,869.18
  6. Step 6: Final answer
    x = 128,715.61

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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.