Home / 151,177.10-208,625.96-86,644.94

Finding the Fourth Proportional to 151,177.10, 208,625.96 and 86,644.94

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Solution

The fourth proportional to 151,177.10, 208,625.96 and 86,644.94 is: 119,570.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,177.10 : 208,625.96 = 86,644.94 : x
  2. Step 2: Convert to fraction form
    151,177.10/208,625.96 = 86,644.94/x
  3. Step 3: Cross multiply
    151,177.10x = 208,625.96 × 86,644.94
  4. Step 4: Simplify right side
    151,177.10x = 18,076,384,133.65
  5. Step 5: Solve for x
    x = 18,076,384,133.65/151,177.10
  6. Step 6: Final answer
    x = 119,570.91

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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.