Home / 304,566.12-420,295.14-168,600

Finding the Fourth Proportional to 304,566.12, 420,295.14 and 168,600

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Solution

The fourth proportional to 304,566.12, 420,295.14 and 168,600 is: 232,664.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,566.12 : 420,295.14 = 168,600 : x
  2. Step 2: Convert to fraction form
    304,566.12/420,295.14 = 168,600/x
  3. Step 3: Cross multiply
    304,566.12x = 420,295.14 × 168,600
  4. Step 4: Simplify right side
    304,566.12x = 70,861,760,604
  5. Step 5: Solve for x
    x = 70,861,760,604/304,566.12
  6. Step 6: Final answer
    x = 232,664.62

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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.