Home / 319,943.15-441,518.96-176,713.01

Finding the Fourth Proportional to 319,943.15, 441,518.96 and 176,713.01

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Solution

The fourth proportional to 319,943.15, 441,518.96 and 176,713.01 is: 243,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,943.15 : 441,518.96 = 176,713.01 : x
  2. Step 2: Convert to fraction form
    319,943.15/441,518.96 = 176,713.01/x
  3. Step 3: Cross multiply
    319,943.15x = 441,518.96 × 176,713.01
  4. Step 4: Simplify right side
    319,943.15x = 78,022,143,510.10
  5. Step 5: Solve for x
    x = 78,022,143,510.10/319,943.15
  6. Step 6: Final answer
    x = 243,862.52

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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.