Home / 330,561.18-456,172.29-179,658.18

Finding the Fourth Proportional to 330,561.18, 456,172.29 and 179,658.18

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Solution

The fourth proportional to 330,561.18, 456,172.29 and 179,658.18 is: 247,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,561.18 : 456,172.29 = 179,658.18 : x
  2. Step 2: Convert to fraction form
    330,561.18/456,172.29 = 179,658.18/x
  3. Step 3: Cross multiply
    330,561.18x = 456,172.29 × 179,658.18
  4. Step 4: Simplify right side
    330,561.18x = 81,955,083,387.83
  5. Step 5: Solve for x
    x = 81,955,083,387.83/330,561.18
  6. Step 6: Final answer
    x = 247,927.13

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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.