Home / 328,460.23-453,275.78-177,557.23

Finding the Fourth Proportional to 328,460.23, 453,275.78 and 177,557.23

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Solution

The fourth proportional to 328,460.23, 453,275.78 and 177,557.23 is: 245,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,460.23 : 453,275.78 = 177,557.23 : x
  2. Step 2: Convert to fraction form
    328,460.23/453,275.78 = 177,557.23/x
  3. Step 3: Cross multiply
    328,460.23x = 453,275.78 × 177,557.23
  4. Step 4: Simplify right side
    328,460.23x = 80,482,391,922.89
  5. Step 5: Solve for x
    x = 80,482,391,922.89/328,460.23
  6. Step 6: Final answer
    x = 245,029.34

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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.