Home / 127,588.96-191,376.96-38,840.50

Finding the Fourth Proportional to 127,588.96, 191,376.96 and 38,840.50

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Solution

The fourth proportional to 127,588.96, 191,376.96 and 38,840.50 is: 58,258.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,588.96 : 191,376.96 = 38,840.50 : x
  2. Step 2: Convert to fraction form
    127,588.96/191,376.96 = 38,840.50/x
  3. Step 3: Cross multiply
    127,588.96x = 191,376.96 × 38,840.50
  4. Step 4: Simplify right side
    127,588.96x = 7,433,176,814.88
  5. Step 5: Solve for x
    x = 7,433,176,814.88/127,588.96
  6. Step 6: Final answer
    x = 58,258.78

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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.