Home / 319,739.19-441,240.17-176,499.33

Finding the Fourth Proportional to 319,739.19, 441,240.17 and 176,499.33

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Solution

The fourth proportional to 319,739.19, 441,240.17 and 176,499.33 is: 243,569.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,739.19 : 441,240.17 = 176,499.33 : x
  2. Step 2: Convert to fraction form
    319,739.19/441,240.17 = 176,499.33/x
  3. Step 3: Cross multiply
    319,739.19x = 441,240.17 × 176,499.33
  4. Step 4: Simplify right side
    319,739.19x = 77,878,593,491.59
  5. Step 5: Solve for x
    x = 77,878,593,491.59/319,739.19
  6. Step 6: Final answer
    x = 243,569.12

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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.