Home / 127,682.51-191,554.79-38,937.59

Finding the Fourth Proportional to 127,682.51, 191,554.79 and 38,937.59

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Solution

The fourth proportional to 127,682.51, 191,554.79 and 38,937.59 is: 58,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,682.51 : 191,554.79 = 38,937.59 : x
  2. Step 2: Convert to fraction form
    127,682.51/191,554.79 = 38,937.59/x
  3. Step 3: Cross multiply
    127,682.51x = 191,554.79 × 38,937.59
  4. Step 4: Simplify right side
    127,682.51x = 7,458,681,875.56
  5. Step 5: Solve for x
    x = 7,458,681,875.56/127,682.51
  6. Step 6: Final answer
    x = 58,415.85

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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.