Home / 319,796.90-441,320.38-176,557.22

Finding the Fourth Proportional to 319,796.90, 441,320.38 and 176,557.22

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Solution

The fourth proportional to 319,796.90, 441,320.38 and 176,557.22 is: 243,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,796.90 : 441,320.38 = 176,557.22 : x
  2. Step 2: Convert to fraction form
    319,796.90/441,320.38 = 176,557.22/x
  3. Step 3: Cross multiply
    319,796.90x = 441,320.38 × 176,557.22
  4. Step 4: Simplify right side
    319,796.90x = 77,918,298,539.36
  5. Step 5: Solve for x
    x = 77,918,298,539.36/319,796.90
  6. Step 6: Final answer
    x = 243,649.32

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1.5x scale

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.