Home / 304,128.14-419,678.79-168,151.41

Finding the Fourth Proportional to 304,128.14, 419,678.79 and 168,151.41

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Solution

The fourth proportional to 304,128.14, 419,678.79 and 168,151.41 is: 232,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,128.14 : 419,678.79 = 168,151.41 : x
  2. Step 2: Convert to fraction form
    304,128.14/419,678.79 = 168,151.41/x
  3. Step 3: Cross multiply
    304,128.14x = 419,678.79 × 168,151.41
  4. Step 4: Simplify right side
    304,128.14x = 70,569,580,285.59
  5. Step 5: Solve for x
    x = 70,569,580,285.59/304,128.14
  6. Step 6: Final answer
    x = 232,038.97

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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.