Home / 165,248.54-228,030.09-93,639.77

Finding the Fourth Proportional to 165,248.54, 228,030.09 and 93,639.77

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Solution

The fourth proportional to 165,248.54, 228,030.09 and 93,639.77 is: 129,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,248.54 : 228,030.09 = 93,639.77 : x
  2. Step 2: Convert to fraction form
    165,248.54/228,030.09 = 93,639.77/x
  3. Step 3: Cross multiply
    165,248.54x = 228,030.09 × 93,639.77
  4. Step 4: Simplify right side
    165,248.54x = 21,352,685,180.68
  5. Step 5: Solve for x
    x = 21,352,685,180.68/165,248.54
  6. Step 6: Final answer
    x = 129,215.58

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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.