Home / 319,713.30-441,172.80-176,464.02

Finding the Fourth Proportional to 319,713.30, 441,172.80 and 176,464.02

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Solution

The fourth proportional to 319,713.30, 441,172.80 and 176,464.02 is: 243,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,713.30 : 441,172.80 = 176,464.02 : x
  2. Step 2: Convert to fraction form
    319,713.30/441,172.80 = 176,464.02/x
  3. Step 3: Cross multiply
    319,713.30x = 441,172.80 × 176,464.02
  4. Step 4: Simplify right side
    319,713.30x = 77,851,125,802.66
  5. Step 5: Solve for x
    x = 77,851,125,802.66/319,713.30
  6. Step 6: Final answer
    x = 243,502.93

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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.