Home / 319,193.12-440,466.72-175,945.76

Finding the Fourth Proportional to 319,193.12, 440,466.72 and 175,945.76

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Solution

The fourth proportional to 319,193.12, 440,466.72 and 175,945.76 is: 242,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,193.12 : 440,466.72 = 175,945.76 : x
  2. Step 2: Convert to fraction form
    319,193.12/440,466.72 = 175,945.76/x
  3. Step 3: Cross multiply
    319,193.12x = 440,466.72 × 175,945.76
  4. Step 4: Simplify right side
    319,193.12x = 77,498,251,805.11
  5. Step 5: Solve for x
    x = 77,498,251,805.11/319,193.12
  6. Step 6: Final answer
    x = 242,794.24

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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.