Home / 127,534.50-191,271.78-52,580.34

Finding the Fourth Proportional to 127,534.50, 191,271.78 and 52,580.34

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Solution

The fourth proportional to 127,534.50, 191,271.78 and 52,580.34 is: 78,858.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,534.50 : 191,271.78 = 52,580.34 : x
  2. Step 2: Convert to fraction form
    127,534.50/191,271.78 = 52,580.34/x
  3. Step 3: Cross multiply
    127,534.50x = 191,271.78 × 52,580.34
  4. Step 4: Simplify right side
    127,534.50x = 10,057,135,224.81
  5. Step 5: Solve for x
    x = 10,057,135,224.81/127,534.50
  6. Step 6: Final answer
    x = 78,858.15

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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.