Home / 304,100.45-419,641.66-168,126.47

Finding the Fourth Proportional to 304,100.45, 419,641.66 and 168,126.47

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Solution

The fourth proportional to 304,100.45, 419,641.66 and 168,126.47 is: 232,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,100.45 : 419,641.66 = 168,126.47 : x
  2. Step 2: Convert to fraction form
    304,100.45/419,641.66 = 168,126.47/x
  3. Step 3: Cross multiply
    304,100.45x = 419,641.66 × 168,126.47
  4. Step 4: Simplify right side
    304,100.45x = 70,552,870,960.74
  5. Step 5: Solve for x
    x = 70,552,870,960.74/304,100.45
  6. Step 6: Final answer
    x = 232,005.15

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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.