Home / 125,213.48-187,842.09-55,090.97

Finding the Fourth Proportional to 125,213.48, 187,842.09 and 55,090.97

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Solution

The fourth proportional to 125,213.48, 187,842.09 and 55,090.97 is: 82,646.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,213.48 : 187,842.09 = 55,090.97 : x
  2. Step 2: Convert to fraction form
    125,213.48/187,842.09 = 55,090.97/x
  3. Step 3: Cross multiply
    125,213.48x = 187,842.09 × 55,090.97
  4. Step 4: Simplify right side
    125,213.48x = 10,348,402,606.83
  5. Step 5: Solve for x
    x = 10,348,402,606.83/125,213.48
  6. Step 6: Final answer
    x = 82,646.08

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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.