Home / 304,110.36-419,655.42-168,136.38

Finding the Fourth Proportional to 304,110.36, 419,655.42 and 168,136.38

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Solution

The fourth proportional to 304,110.36, 419,655.42 and 168,136.38 is: 232,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,110.36 : 419,655.42 = 168,136.38 : x
  2. Step 2: Convert to fraction form
    304,110.36/419,655.42 = 168,136.38/x
  3. Step 3: Cross multiply
    304,110.36x = 419,655.42 × 168,136.38
  4. Step 4: Simplify right side
    304,110.36x = 70,559,343,166.18
  5. Step 5: Solve for x
    x = 70,559,343,166.18/304,110.36
  6. Step 6: Final answer
    x = 232,018.87

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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.