Home / 328,048.72-452,740.68-200,808.40

Finding the Fourth Proportional to 328,048.72, 452,740.68 and 200,808.40

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Solution

The fourth proportional to 328,048.72, 452,740.68 and 200,808.40 is: 277,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,048.72 : 452,740.68 = 200,808.40 : x
  2. Step 2: Convert to fraction form
    328,048.72/452,740.68 = 200,808.40/x
  3. Step 3: Cross multiply
    328,048.72x = 452,740.68 × 200,808.40
  4. Step 4: Simplify right side
    328,048.72x = 90,914,131,565.71
  5. Step 5: Solve for x
    x = 90,914,131,565.71/328,048.72
  6. Step 6: Final answer
    x = 277,136.07

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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.