Home / 165,534.25-228,421.47-92,920.52

Finding the Fourth Proportional to 165,534.25, 228,421.47 and 92,920.52

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Solution

The fourth proportional to 165,534.25, 228,421.47 and 92,920.52 is: 128,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,534.25 : 228,421.47 = 92,920.52 : x
  2. Step 2: Convert to fraction form
    165,534.25/228,421.47 = 92,920.52/x
  3. Step 3: Cross multiply
    165,534.25x = 228,421.47 × 92,920.52
  4. Step 4: Simplify right side
    165,534.25x = 21,225,041,771.56
  5. Step 5: Solve for x
    x = 21,225,041,771.56/165,534.25
  6. Step 6: Final answer
    x = 128,221.45

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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.