Home / 177,725.80-266,151.30-118,239.40

Finding the Fourth Proportional to 177,725.80, 266,151.30 and 118,239.40

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Solution

The fourth proportional to 177,725.80, 266,151.30 and 118,239.40 is: 177,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,725.80 : 266,151.30 = 118,239.40 : x
  2. Step 2: Convert to fraction form
    177,725.80/266,151.30 = 118,239.40/x
  3. Step 3: Cross multiply
    177,725.80x = 266,151.30 × 118,239.40
  4. Step 4: Simplify right side
    177,725.80x = 31,469,570,021.22
  5. Step 5: Solve for x
    x = 31,469,570,021.22/177,725.80
  6. Step 6: Final answer
    x = 177,068.10

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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.