Home / 304,962.94-420,814.68-168,962.92

Finding the Fourth Proportional to 304,962.94, 420,814.68 and 168,962.92

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Solution

The fourth proportional to 304,962.94, 420,814.68 and 168,962.92 is: 233,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,962.94 : 420,814.68 = 168,962.92 : x
  2. Step 2: Convert to fraction form
    304,962.94/420,814.68 = 168,962.92/x
  3. Step 3: Cross multiply
    304,962.94x = 420,814.68 × 168,962.92
  4. Step 4: Simplify right side
    304,962.94x = 71,102,077,111.67
  5. Step 5: Solve for x
    x = 71,102,077,111.67/304,962.94
  6. Step 6: Final answer
    x = 233,149.89

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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.