Home / 319,180.64-440,469.16-175,943.08

Finding the Fourth Proportional to 319,180.64, 440,469.16 and 175,943.08

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Solution

The fourth proportional to 319,180.64, 440,469.16 and 175,943.08 is: 242,801.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,180.64 : 440,469.16 = 175,943.08 : x
  2. Step 2: Convert to fraction form
    319,180.64/440,469.16 = 175,943.08/x
  3. Step 3: Cross multiply
    319,180.64x = 440,469.16 × 175,943.08
  4. Step 4: Simplify right side
    319,180.64x = 77,497,500,655.41
  5. Step 5: Solve for x
    x = 77,497,500,655.41/319,180.64
  6. Step 6: Final answer
    x = 242,801.38

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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.