Home / 304,389.24-420,226.08-183,561.12

Finding the Fourth Proportional to 304,389.24, 420,226.08 and 183,561.12

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Solution

The fourth proportional to 304,389.24, 420,226.08 and 183,561.12 is: 253,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,389.24 : 420,226.08 = 183,561.12 : x
  2. Step 2: Convert to fraction form
    304,389.24/420,226.08 = 183,561.12/x
  3. Step 3: Cross multiply
    304,389.24x = 420,226.08 × 183,561.12
  4. Step 4: Simplify right side
    304,389.24x = 77,137,169,898.01
  5. Step 5: Solve for x
    x = 77,137,169,898.01/304,389.24
  6. Step 6: Final answer
    x = 253,416.22

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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.