Home / 191,786.45-287,669.32-58,666.72

Finding the Fourth Proportional to 191,786.45, 287,669.32 and 58,666.72

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Solution

The fourth proportional to 191,786.45, 287,669.32 and 58,666.72 is: 87,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,786.45 : 287,669.32 = 58,666.72 : x
  2. Step 2: Convert to fraction form
    191,786.45/287,669.32 = 58,666.72/x
  3. Step 3: Cross multiply
    191,786.45x = 287,669.32 × 58,666.72
  4. Step 4: Simplify right side
    191,786.45x = 16,876,615,155.70
  5. Step 5: Solve for x
    x = 16,876,615,155.70/191,786.45
  6. Step 6: Final answer
    x = 87,996.91

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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.