Home / 118,970.70-164,177.07-65,255.82

Finding the Fourth Proportional to 118,970.70, 164,177.07 and 65,255.82

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Solution

The fourth proportional to 118,970.70, 164,177.07 and 65,255.82 is: 90,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,970.70 : 164,177.07 = 65,255.82 : x
  2. Step 2: Convert to fraction form
    118,970.70/164,177.07 = 65,255.82/x
  3. Step 3: Cross multiply
    118,970.70x = 164,177.07 × 65,255.82
  4. Step 4: Simplify right side
    118,970.70x = 10,713,509,328.05
  5. Step 5: Solve for x
    x = 10,713,509,328.05/118,970.70
  6. Step 6: Final answer
    x = 90,051.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.