Home / 127,864.04-191,796.24-39,117.20

Finding the Fourth Proportional to 127,864.04, 191,796.24 and 39,117.20

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Solution

The fourth proportional to 127,864.04, 191,796.24 and 39,117.20 is: 58,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,864.04 : 191,796.24 = 39,117.20 : x
  2. Step 2: Convert to fraction form
    127,864.04/191,796.24 = 39,117.20/x
  3. Step 3: Cross multiply
    127,864.04x = 191,796.24 × 39,117.20
  4. Step 4: Simplify right side
    127,864.04x = 7,502,531,879.33
  5. Step 5: Solve for x
    x = 7,502,531,879.33/127,864.04
  6. Step 6: Final answer
    x = 58,675.86

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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.