Home / 191,926.40-288,235.20-185,705.60

Finding the Fourth Proportional to 191,926.40, 288,235.20 and 185,705.60

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Solution

The fourth proportional to 191,926.40, 288,235.20 and 185,705.60 is: 278,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,926.40 : 288,235.20 = 185,705.60 : x
  2. Step 2: Convert to fraction form
    191,926.40/288,235.20 = 185,705.60/x
  3. Step 3: Cross multiply
    191,926.40x = 288,235.20 × 185,705.60
  4. Step 4: Simplify right side
    191,926.40x = 53,526,890,757.12
  5. Step 5: Solve for x
    x = 53,526,890,757.12/191,926.40
  6. Step 6: Final answer
    x = 278,892.80

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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.