Home / 165,388.36-228,231.06-93,774.92

Finding the Fourth Proportional to 165,388.36, 228,231.06 and 93,774.92

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Solution

The fourth proportional to 165,388.36, 228,231.06 and 93,774.92 is: 129,406.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,388.36 : 228,231.06 = 93,774.92 : x
  2. Step 2: Convert to fraction form
    165,388.36/228,231.06 = 93,774.92/x
  3. Step 3: Cross multiply
    165,388.36x = 228,231.06 × 93,774.92
  4. Step 4: Simplify right side
    165,388.36x = 21,402,349,393.02
  5. Step 5: Solve for x
    x = 21,402,349,393.02/165,388.36
  6. Step 6: Final answer
    x = 129,406.62

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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.