Home / 191,234.20-286,754.10-112,372.60

Finding the Fourth Proportional to 191,234.20, 286,754.10 and 112,372.60

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Solution

The fourth proportional to 191,234.20, 286,754.10 and 112,372.60 is: 168,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,234.20 : 286,754.10 = 112,372.60 : x
  2. Step 2: Convert to fraction form
    191,234.20/286,754.10 = 112,372.60/x
  3. Step 3: Cross multiply
    191,234.20x = 286,754.10 × 112,372.60
  4. Step 4: Simplify right side
    191,234.20x = 32,223,303,777.66
  5. Step 5: Solve for x
    x = 32,223,303,777.66/191,234.20
  6. Step 6: Final answer
    x = 168,501.78

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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.