Home / 118,263.61-177,455.90-55,917.37

Finding the Fourth Proportional to 118,263.61, 177,455.90 and 55,917.37

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Solution

The fourth proportional to 118,263.61, 177,455.90 and 55,917.37 is: 83,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,263.61 : 177,455.90 = 55,917.37 : x
  2. Step 2: Convert to fraction form
    118,263.61/177,455.90 = 55,917.37/x
  3. Step 3: Cross multiply
    118,263.61x = 177,455.90 × 55,917.37
  4. Step 4: Simplify right side
    118,263.61x = 9,922,866,939.40
  5. Step 5: Solve for x
    x = 9,922,866,939.40/118,263.61
  6. Step 6: Final answer
    x = 83,904.65

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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.