Home / 191,399.72-286,990.18-58,240.60

Finding the Fourth Proportional to 191,399.72, 286,990.18 and 58,240.60

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Solution

The fourth proportional to 191,399.72, 286,990.18 and 58,240.60 is: 87,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,399.72 : 286,990.18 = 58,240.60 : x
  2. Step 2: Convert to fraction form
    191,399.72/286,990.18 = 58,240.60/x
  3. Step 3: Cross multiply
    191,399.72x = 286,990.18 × 58,240.60
  4. Step 4: Simplify right side
    191,399.72x = 16,714,480,277.31
  5. Step 5: Solve for x
    x = 16,714,480,277.31/191,399.72
  6. Step 6: Final answer
    x = 87,327.61

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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.