Home / 356,330.59-491,718.74-195,186.36

Finding the Fourth Proportional to 356,330.59, 491,718.74 and 195,186.36

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Solution

The fourth proportional to 356,330.59, 491,718.74 and 195,186.36 is: 269,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,330.59 : 491,718.74 = 195,186.36 : x
  2. Step 2: Convert to fraction form
    356,330.59/491,718.74 = 195,186.36/x
  3. Step 3: Cross multiply
    356,330.59x = 491,718.74 × 195,186.36
  4. Step 4: Simplify right side
    356,330.59x = 95,976,788,545.79
  5. Step 5: Solve for x
    x = 95,976,788,545.79/356,330.59
  6. Step 6: Final answer
    x = 269,347.60

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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.