Home / 118,177.48-163,087.98-72,244.36

Finding the Fourth Proportional to 118,177.48, 163,087.98 and 72,244.36

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Solution

The fourth proportional to 118,177.48, 163,087.98 and 72,244.36 is: 99,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,177.48 : 163,087.98 = 72,244.36 : x
  2. Step 2: Convert to fraction form
    118,177.48/163,087.98 = 72,244.36/x
  3. Step 3: Cross multiply
    118,177.48x = 163,087.98 × 72,244.36
  4. Step 4: Simplify right side
    118,177.48x = 11,782,186,738.79
  5. Step 5: Solve for x
    x = 11,782,186,738.79/118,177.48
  6. Step 6: Final answer
    x = 99,699.09

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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.