Home / 127,588.15-191,409.90-38,839.35

Finding the Fourth Proportional to 127,588.15, 191,409.90 and 38,839.35

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Solution

The fourth proportional to 127,588.15, 191,409.90 and 38,839.35 is: 58,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,588.15 : 191,409.90 = 38,839.35 : x
  2. Step 2: Convert to fraction form
    127,588.15/191,409.90 = 38,839.35/x
  3. Step 3: Cross multiply
    127,588.15x = 191,409.90 × 38,839.35
  4. Step 4: Simplify right side
    127,588.15x = 7,434,235,905.37
  5. Step 5: Solve for x
    x = 7,434,235,905.37/127,588.15
  6. Step 6: Final answer
    x = 58,267.45

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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.