Home / 304,428.24-420,104.69-168,462.10

Finding the Fourth Proportional to 304,428.24, 420,104.69 and 168,462.10

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Solution

The fourth proportional to 304,428.24, 420,104.69 and 168,462.10 is: 232,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,428.24 : 420,104.69 = 168,462.10 : x
  2. Step 2: Convert to fraction form
    304,428.24/420,104.69 = 168,462.10/x
  3. Step 3: Cross multiply
    304,428.24x = 420,104.69 × 168,462.10
  4. Step 4: Simplify right side
    304,428.24x = 70,771,718,297.25
  5. Step 5: Solve for x
    x = 70,771,718,297.25/304,428.24
  6. Step 6: Final answer
    x = 232,474.22

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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.