Home / 304,490.04-420,190.38-168,523.98

Finding the Fourth Proportional to 304,490.04, 420,190.38 and 168,523.98

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Solution

The fourth proportional to 304,490.04, 420,190.38 and 168,523.98 is: 232,559.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,490.04 : 420,190.38 = 168,523.98 : x
  2. Step 2: Convert to fraction form
    304,490.04/420,190.38 = 168,523.98/x
  3. Step 3: Cross multiply
    304,490.04x = 420,190.38 × 168,523.98
  4. Step 4: Simplify right side
    304,490.04x = 70,812,155,195.31
  5. Step 5: Solve for x
    x = 70,812,155,195.31/304,490.04
  6. Step 6: Final answer
    x = 232,559.84

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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.