Home / 123,918.30-185,877.54-117,607.62

Finding the Fourth Proportional to 123,918.30, 185,877.54 and 117,607.62

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Solution

The fourth proportional to 123,918.30, 185,877.54 and 117,607.62 is: 176,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,918.30 : 185,877.54 = 117,607.62 : x
  2. Step 2: Convert to fraction form
    123,918.30/185,877.54 = 117,607.62/x
  3. Step 3: Cross multiply
    123,918.30x = 185,877.54 × 117,607.62
  4. Step 4: Simplify right side
    123,918.30x = 21,860,615,090.85
  5. Step 5: Solve for x
    x = 21,860,615,090.85/123,918.30
  6. Step 6: Final answer
    x = 176,411.52

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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.