Home / 126,935.18-190,530.92-55,889.47

Finding the Fourth Proportional to 126,935.18, 190,530.92 and 55,889.47

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Solution

The fourth proportional to 126,935.18, 190,530.92 and 55,889.47 is: 83,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,935.18 : 190,530.92 = 55,889.47 : x
  2. Step 2: Convert to fraction form
    126,935.18/190,530.92 = 55,889.47/x
  3. Step 3: Cross multiply
    126,935.18x = 190,530.92 × 55,889.47
  4. Step 4: Simplify right side
    126,935.18x = 10,648,671,381.64
  5. Step 5: Solve for x
    x = 10,648,671,381.64/126,935.18
  6. Step 6: Final answer
    x = 83,890.62

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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.