Home / 165,528.36-228,427.02-90,076.86

Finding the Fourth Proportional to 165,528.36, 228,427.02 and 90,076.86

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Solution

The fourth proportional to 165,528.36, 228,427.02 and 90,076.86 is: 124,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,528.36 : 228,427.02 = 90,076.86 : x
  2. Step 2: Convert to fraction form
    165,528.36/228,427.02 = 90,076.86/x
  3. Step 3: Cross multiply
    165,528.36x = 228,427.02 × 90,076.86
  4. Step 4: Simplify right side
    165,528.36x = 20,575,988,700.76
  5. Step 5: Solve for x
    x = 20,575,988,700.76/165,528.36
  6. Step 6: Final answer
    x = 124,304.91

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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.