Home / 328,417.11-453,215.34-177,514.11

Finding the Fourth Proportional to 328,417.11, 453,215.34 and 177,514.11

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Solution

The fourth proportional to 328,417.11, 453,215.34 and 177,514.11 is: 244,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,417.11 : 453,215.34 = 177,514.11 : x
  2. Step 2: Convert to fraction form
    328,417.11/453,215.34 = 177,514.11/x
  3. Step 3: Cross multiply
    328,417.11x = 453,215.34 × 177,514.11
  4. Step 4: Simplify right side
    328,417.11x = 80,452,117,718.45
  5. Step 5: Solve for x
    x = 80,452,117,718.45/328,417.11
  6. Step 6: Final answer
    x = 244,969.32

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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.