Home / 304,623.04-420,532.32-191,508.16

Finding the Fourth Proportional to 304,623.04, 420,532.32 and 191,508.16

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Solution

The fourth proportional to 304,623.04, 420,532.32 and 191,508.16 is: 264,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,623.04 : 420,532.32 = 191,508.16 : x
  2. Step 2: Convert to fraction form
    304,623.04/420,532.32 = 191,508.16/x
  3. Step 3: Cross multiply
    304,623.04x = 420,532.32 × 191,508.16
  4. Step 4: Simplify right side
    304,623.04x = 80,535,370,823.73
  5. Step 5: Solve for x
    x = 80,535,370,823.73/304,623.04
  6. Step 6: Final answer
    x = 264,377.15

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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.