Home / 165,254.18-228,055.12-89,802.68

Finding the Fourth Proportional to 165,254.18, 228,055.12 and 89,802.68

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Solution

The fourth proportional to 165,254.18, 228,055.12 and 89,802.68 is: 123,930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,254.18 : 228,055.12 = 89,802.68 : x
  2. Step 2: Convert to fraction form
    165,254.18/228,055.12 = 89,802.68/x
  3. Step 3: Cross multiply
    165,254.18x = 228,055.12 × 89,802.68
  4. Step 4: Simplify right side
    165,254.18x = 20,479,960,963.72
  5. Step 5: Solve for x
    x = 20,479,960,963.72/165,254.18
  6. Step 6: Final answer
    x = 123,930.06

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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.