Home / 151,973.60-228,026-81,838.94

Finding the Fourth Proportional to 151,973.60, 228,026 and 81,838.94

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Solution

The fourth proportional to 151,973.60, 228,026 and 81,838.94 is: 122,793.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,973.60 : 228,026 = 81,838.94 : x
  2. Step 2: Convert to fraction form
    151,973.60/228,026 = 81,838.94/x
  3. Step 3: Cross multiply
    151,973.60x = 228,026 × 81,838.94
  4. Step 4: Simplify right side
    151,973.60x = 18,661,406,132.44
  5. Step 5: Solve for x
    x = 18,661,406,132.44/151,973.60
  6. Step 6: Final answer
    x = 122,793.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.