Home / 118,177.94-163,145.70-91,260.02

Finding the Fourth Proportional to 118,177.94, 163,145.70 and 91,260.02

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Solution

The fourth proportional to 118,177.94, 163,145.70 and 91,260.02 is: 125,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,177.94 : 163,145.70 = 91,260.02 : x
  2. Step 2: Convert to fraction form
    118,177.94/163,145.70 = 91,260.02/x
  3. Step 3: Cross multiply
    118,177.94x = 163,145.70 × 91,260.02
  4. Step 4: Simplify right side
    118,177.94x = 14,888,679,844.91
  5. Step 5: Solve for x
    x = 14,888,679,844.91/118,177.94
  6. Step 6: Final answer
    x = 125,985.27

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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.