Home / 304,542.07-420,271.75-168,588.58

Finding the Fourth Proportional to 304,542.07, 420,271.75 and 168,588.58

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Solution

The fourth proportional to 304,542.07, 420,271.75 and 168,588.58 is: 232,654.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,542.07 : 420,271.75 = 168,588.58 : x
  2. Step 2: Convert to fraction form
    304,542.07/420,271.75 = 168,588.58/x
  3. Step 3: Cross multiply
    304,542.07x = 420,271.75 × 168,588.58
  4. Step 4: Simplify right side
    304,542.07x = 70,853,017,546.62
  5. Step 5: Solve for x
    x = 70,853,017,546.62/304,542.07
  6. Step 6: Final answer
    x = 232,654.28

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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.