Home / 331,986.47-497,857.59-118,696.76

Finding the Fourth Proportional to 331,986.47, 497,857.59 and 118,696.76

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Solution

The fourth proportional to 331,986.47, 497,857.59 and 118,696.76 is: 178,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,986.47 : 497,857.59 = 118,696.76 : x
  2. Step 2: Convert to fraction form
    331,986.47/497,857.59 = 118,696.76/x
  3. Step 3: Cross multiply
    331,986.47x = 497,857.59 × 118,696.76
  4. Step 4: Simplify right side
    331,986.47x = 59,094,082,252.09
  5. Step 5: Solve for x
    x = 59,094,082,252.09/331,986.47
  6. Step 6: Final answer
    x = 178,001.48

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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.