Home / 165,496.13-228,384.66-90,045.17

Finding the Fourth Proportional to 165,496.13, 228,384.66 and 90,045.17

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Solution

The fourth proportional to 165,496.13, 228,384.66 and 90,045.17 is: 124,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,496.13 : 228,384.66 = 90,045.17 : x
  2. Step 2: Convert to fraction form
    165,496.13/228,384.66 = 90,045.17/x
  3. Step 3: Cross multiply
    165,496.13x = 228,384.66 × 90,045.17
  4. Step 4: Simplify right side
    165,496.13x = 20,564,934,393.17
  5. Step 5: Solve for x
    x = 20,564,934,393.17/165,496.13
  6. Step 6: Final answer
    x = 124,262.33

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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.