Home / 191,467.72-286,575.48-140,853.28

Finding the Fourth Proportional to 191,467.72, 286,575.48 and 140,853.28

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Solution

The fourth proportional to 191,467.72, 286,575.48 and 140,853.28 is: 210,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,467.72 : 286,575.48 = 140,853.28 : x
  2. Step 2: Convert to fraction form
    191,467.72/286,575.48 = 140,853.28/x
  3. Step 3: Cross multiply
    191,467.72x = 286,575.48 × 140,853.28
  4. Step 4: Simplify right side
    191,467.72x = 40,365,096,325.57
  5. Step 5: Solve for x
    x = 40,365,096,325.57/191,467.72
  6. Step 6: Final answer
    x = 210,819.33

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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.