Home / 319,327.32-440,661.60-176,093.40

Finding the Fourth Proportional to 319,327.32, 440,661.60 and 176,093.40

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Solution

The fourth proportional to 319,327.32, 440,661.60 and 176,093.40 is: 243,003.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,327.32 : 440,661.60 = 176,093.40 : x
  2. Step 2: Convert to fraction form
    319,327.32/440,661.60 = 176,093.40/x
  3. Step 3: Cross multiply
    319,327.32x = 440,661.60 × 176,093.40
  4. Step 4: Simplify right side
    319,327.32x = 77,597,599,393.44
  5. Step 5: Solve for x
    x = 77,597,599,393.44/319,327.32
  6. Step 6: Final answer
    x = 243,003.32

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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.