Home / 319,176.54-440,458.32-175,949.88

Finding the Fourth Proportional to 319,176.54, 440,458.32 and 175,949.88

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Solution

The fourth proportional to 319,176.54, 440,458.32 and 175,949.88 is: 242,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,176.54 : 440,458.32 = 175,949.88 : x
  2. Step 2: Convert to fraction form
    319,176.54/440,458.32 = 175,949.88/x
  3. Step 3: Cross multiply
    319,176.54x = 440,458.32 × 175,949.88
  4. Step 4: Simplify right side
    319,176.54x = 77,498,588,549.00
  5. Step 5: Solve for x
    x = 77,498,588,549.00/319,176.54
  6. Step 6: Final answer
    x = 242,807.91

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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.