Home / 237,971.20-357,129.44-191,781.76

Finding the Fourth Proportional to 237,971.20, 357,129.44 and 191,781.76

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Solution

The fourth proportional to 237,971.20, 357,129.44 and 191,781.76 is: 287,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,971.20 : 357,129.44 = 191,781.76 : x
  2. Step 2: Convert to fraction form
    237,971.20/357,129.44 = 191,781.76/x
  3. Step 3: Cross multiply
    237,971.20x = 357,129.44 × 191,781.76
  4. Step 4: Simplify right side
    237,971.20x = 68,490,912,551.01
  5. Step 5: Solve for x
    x = 68,490,912,551.01/237,971.20
  6. Step 6: Final answer
    x = 287,811.77

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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.