Home / 304,502.25-420,213.93-168,545.57

Finding the Fourth Proportional to 304,502.25, 420,213.93 and 168,545.57

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Solution

The fourth proportional to 304,502.25, 420,213.93 and 168,545.57 is: 232,593.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,502.25 : 420,213.93 = 168,545.57 : x
  2. Step 2: Convert to fraction form
    304,502.25/420,213.93 = 168,545.57/x
  3. Step 3: Cross multiply
    304,502.25x = 420,213.93 × 168,545.57
  4. Step 4: Simplify right side
    304,502.25x = 70,825,194,252.72
  5. Step 5: Solve for x
    x = 70,825,194,252.72/304,502.25
  6. Step 6: Final answer
    x = 232,593.34

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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.