Home / 319,910.64-441,475.20-176,670.06

Finding the Fourth Proportional to 319,910.64, 441,475.20 and 176,670.06

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Solution

The fourth proportional to 319,910.64, 441,475.20 and 176,670.06 is: 243,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,910.64 : 441,475.20 = 176,670.06 : x
  2. Step 2: Convert to fraction form
    319,910.64/441,475.20 = 176,670.06/x
  3. Step 3: Cross multiply
    319,910.64x = 441,475.20 × 176,670.06
  4. Step 4: Simplify right side
    319,910.64x = 77,995,450,072.51
  5. Step 5: Solve for x
    x = 77,995,450,072.51/319,910.64
  6. Step 6: Final answer
    x = 243,803.86

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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.