Home / 191,007.92-286,636.20-72,680.24

Finding the Fourth Proportional to 191,007.92, 286,636.20 and 72,680.24

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Solution

The fourth proportional to 191,007.92, 286,636.20 and 72,680.24 is: 109,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,007.92 : 286,636.20 = 72,680.24 : x
  2. Step 2: Convert to fraction form
    191,007.92/286,636.20 = 72,680.24/x
  3. Step 3: Cross multiply
    191,007.92x = 286,636.20 × 72,680.24
  4. Step 4: Simplify right side
    191,007.92x = 20,832,787,808.69
  5. Step 5: Solve for x
    x = 20,832,787,808.69/191,007.92
  6. Step 6: Final answer
    x = 109,067.66

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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.