Home / 191,001.28-286,535.04-72,682.96

Finding the Fourth Proportional to 191,001.28, 286,535.04 and 72,682.96

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Solution

The fourth proportional to 191,001.28, 286,535.04 and 72,682.96 is: 109,037.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,001.28 : 286,535.04 = 72,682.96 : x
  2. Step 2: Convert to fraction form
    191,001.28/286,535.04 = 72,682.96/x
  3. Step 3: Cross multiply
    191,001.28x = 286,535.04 × 72,682.96
  4. Step 4: Simplify right side
    191,001.28x = 20,826,214,850.92
  5. Step 5: Solve for x
    x = 20,826,214,850.92/191,001.28
  6. Step 6: Final answer
    x = 109,037.04

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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.