Home / 191,025.12-286,439.22-85,753.92

Finding the Fourth Proportional to 191,025.12, 286,439.22 and 85,753.92

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Solution

The fourth proportional to 191,025.12, 286,439.22 and 85,753.92 is: 128,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,025.12 : 286,439.22 = 85,753.92 : x
  2. Step 2: Convert to fraction form
    191,025.12/286,439.22 = 85,753.92/x
  3. Step 3: Cross multiply
    191,025.12x = 286,439.22 × 85,753.92
  4. Step 4: Simplify right side
    191,025.12x = 24,563,285,956.74
  5. Step 5: Solve for x
    x = 24,563,285,956.74/191,025.12
  6. Step 6: Final answer
    x = 128,586.68

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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.