Home / 127,368.33-191,040.75-43,118.87

Finding the Fourth Proportional to 127,368.33, 191,040.75 and 43,118.87

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Solution

The fourth proportional to 127,368.33, 191,040.75 and 43,118.87 is: 64,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,368.33 : 191,040.75 = 43,118.87 : x
  2. Step 2: Convert to fraction form
    127,368.33/191,040.75 = 43,118.87/x
  3. Step 3: Cross multiply
    127,368.33x = 191,040.75 × 43,118.87
  4. Step 4: Simplify right side
    127,368.33x = 8,237,460,308.75
  5. Step 5: Solve for x
    x = 8,237,460,308.75/127,368.33
  6. Step 6: Final answer
    x = 64,674.32

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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.