Home / 328,876.12-453,849.06-177,973.12

Finding the Fourth Proportional to 328,876.12, 453,849.06 and 177,973.12

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Solution

The fourth proportional to 328,876.12, 453,849.06 and 177,973.12 is: 245,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,876.12 : 453,849.06 = 177,973.12 : x
  2. Step 2: Convert to fraction form
    328,876.12/453,849.06 = 177,973.12/x
  3. Step 3: Cross multiply
    328,876.12x = 453,849.06 × 177,973.12
  4. Step 4: Simplify right side
    328,876.12x = 80,772,933,217.27
  5. Step 5: Solve for x
    x = 80,772,933,217.27/328,876.12
  6. Step 6: Final answer
    x = 245,602.91

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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.