Home / 165,688.64-228,636.72-93,087.53

Finding the Fourth Proportional to 165,688.64, 228,636.72 and 93,087.53

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Solution

The fourth proportional to 165,688.64, 228,636.72 and 93,087.53 is: 128,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,688.64 : 228,636.72 = 93,087.53 : x
  2. Step 2: Convert to fraction form
    165,688.64/228,636.72 = 93,087.53/x
  3. Step 3: Cross multiply
    165,688.64x = 228,636.72 × 93,087.53
  4. Step 4: Simplify right side
    165,688.64x = 21,283,226,388.92
  5. Step 5: Solve for x
    x = 21,283,226,388.92/165,688.64
  6. Step 6: Final answer
    x = 128,453.15

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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.