Home / 191,020.80-286,531.20-50,793.60

Finding the Fourth Proportional to 191,020.80, 286,531.20 and 50,793.60

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Solution

The fourth proportional to 191,020.80, 286,531.20 and 50,793.60 is: 76,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,020.80 : 286,531.20 = 50,793.60 : x
  2. Step 2: Convert to fraction form
    191,020.80/286,531.20 = 50,793.60/x
  3. Step 3: Cross multiply
    191,020.80x = 286,531.20 × 50,793.60
  4. Step 4: Simplify right side
    191,020.80x = 14,553,951,160.32
  5. Step 5: Solve for x
    x = 14,553,951,160.32/191,020.80
  6. Step 6: Final answer
    x = 76,190.40

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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.