Home / 319,699.14-441,188.46-176,459.30

Finding the Fourth Proportional to 319,699.14, 441,188.46 and 176,459.30

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Solution

The fourth proportional to 319,699.14, 441,188.46 and 176,459.30 is: 243,515.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,699.14 : 441,188.46 = 176,459.30 : x
  2. Step 2: Convert to fraction form
    319,699.14/441,188.46 = 176,459.30/x
  3. Step 3: Cross multiply
    319,699.14x = 441,188.46 × 176,459.30
  4. Step 4: Simplify right side
    319,699.14x = 77,851,804,613.74
  5. Step 5: Solve for x
    x = 77,851,804,613.74/319,699.14
  6. Step 6: Final answer
    x = 243,515.84

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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.