Home / 191,115.50-286,661.91-57,996.86

Finding the Fourth Proportional to 191,115.50, 286,661.91 and 57,996.86

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Solution

The fourth proportional to 191,115.50, 286,661.91 and 57,996.86 is: 86,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,115.50 : 286,661.91 = 57,996.86 : x
  2. Step 2: Convert to fraction form
    191,115.50/286,661.91 = 57,996.86/x
  3. Step 3: Cross multiply
    191,115.50x = 286,661.91 × 57,996.86
  4. Step 4: Simplify right side
    191,115.50x = 16,625,490,661.60
  5. Step 5: Solve for x
    x = 16,625,490,661.60/191,115.50
  6. Step 6: Final answer
    x = 86,991.85

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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.