Home / 191,980.48-265,064.24-124,161.60

Finding the Fourth Proportional to 191,980.48, 265,064.24 and 124,161.60

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Solution

The fourth proportional to 191,980.48, 265,064.24 and 124,161.60 is: 171,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,980.48 : 265,064.24 = 124,161.60 : x
  2. Step 2: Convert to fraction form
    191,980.48/265,064.24 = 124,161.60/x
  3. Step 3: Cross multiply
    191,980.48x = 265,064.24 × 124,161.60
  4. Step 4: Simplify right side
    191,980.48x = 32,910,800,141.18
  5. Step 5: Solve for x
    x = 32,910,800,141.18/191,980.48
  6. Step 6: Final answer
    x = 171,427.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.