Home / 127,616.32-191,409.86-34,129.36

Finding the Fourth Proportional to 127,616.32, 191,409.86 and 34,129.36

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Solution

The fourth proportional to 127,616.32, 191,409.86 and 34,129.36 is: 51,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,616.32 : 191,409.86 = 34,129.36 : x
  2. Step 2: Convert to fraction form
    127,616.32/191,409.86 = 34,129.36/x
  3. Step 3: Cross multiply
    127,616.32x = 191,409.86 × 34,129.36
  4. Step 4: Simplify right side
    127,616.32x = 6,532,696,019.49
  5. Step 5: Solve for x
    x = 6,532,696,019.49/127,616.32
  6. Step 6: Final answer
    x = 51,190.13

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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.