Home / 319,177.32-440,464.60-175,939.76

Finding the Fourth Proportional to 319,177.32, 440,464.60 and 175,939.76

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Solution

The fourth proportional to 319,177.32, 440,464.60 and 175,939.76 is: 242,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,177.32 : 440,464.60 = 175,939.76 : x
  2. Step 2: Convert to fraction form
    319,177.32/440,464.60 = 175,939.76/x
  3. Step 3: Cross multiply
    319,177.32x = 440,464.60 × 175,939.76
  4. Step 4: Simplify right side
    319,177.32x = 77,495,236,012.50
  5. Step 5: Solve for x
    x = 77,495,236,012.50/319,177.32
  6. Step 6: Final answer
    x = 242,796.81

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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.