Home / 127,345.31-191,006.91-43,103.60

Finding the Fourth Proportional to 127,345.31, 191,006.91 and 43,103.60

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Solution

The fourth proportional to 127,345.31, 191,006.91 and 43,103.60 is: 64,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,345.31 : 191,006.91 = 43,103.60 : x
  2. Step 2: Convert to fraction form
    127,345.31/191,006.91 = 43,103.60/x
  3. Step 3: Cross multiply
    127,345.31x = 191,006.91 × 43,103.60
  4. Step 4: Simplify right side
    127,345.31x = 8,233,084,490.84
  5. Step 5: Solve for x
    x = 8,233,084,490.84/127,345.31
  6. Step 6: Final answer
    x = 64,651.65

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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.