Home / 127,336.29-190,974.78-47,411.94

Finding the Fourth Proportional to 127,336.29, 190,974.78 and 47,411.94

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Solution

The fourth proportional to 127,336.29, 190,974.78 and 47,411.94 is: 71,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,336.29 : 190,974.78 = 47,411.94 : x
  2. Step 2: Convert to fraction form
    127,336.29/190,974.78 = 47,411.94/x
  3. Step 3: Cross multiply
    127,336.29x = 190,974.78 × 47,411.94
  4. Step 4: Simplify right side
    127,336.29x = 9,054,484,810.87
  5. Step 5: Solve for x
    x = 9,054,484,810.87/127,336.29
  6. Step 6: Final answer
    x = 71,106.87

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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.