Home / 131,177.49-181,008.32-74,590.08

Finding the Fourth Proportional to 131,177.49, 181,008.32 and 74,590.08

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Solution

The fourth proportional to 131,177.49, 181,008.32 and 74,590.08 is: 102,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,177.49 : 181,008.32 = 74,590.08 : x
  2. Step 2: Convert to fraction form
    131,177.49/181,008.32 = 74,590.08/x
  3. Step 3: Cross multiply
    131,177.49x = 181,008.32 × 74,590.08
  4. Step 4: Simplify right side
    131,177.49x = 13,501,424,696.52
  5. Step 5: Solve for x
    x = 13,501,424,696.52/131,177.49
  6. Step 6: Final answer
    x = 102,924.86

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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.