Home / 127,879.23-191,937.15-64,743.72

Finding the Fourth Proportional to 127,879.23, 191,937.15 and 64,743.72

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Solution

The fourth proportional to 127,879.23, 191,937.15 and 64,743.72 is: 97,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,879.23 : 191,937.15 = 64,743.72 : x
  2. Step 2: Convert to fraction form
    127,879.23/191,937.15 = 64,743.72/x
  3. Step 3: Cross multiply
    127,879.23x = 191,937.15 × 64,743.72
  4. Step 4: Simplify right side
    127,879.23x = 12,426,725,097.20
  5. Step 5: Solve for x
    x = 12,426,725,097.20/127,879.23
  6. Step 6: Final answer
    x = 97,175.48

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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.