Home / 328,284.19-452,955.04-199,219.75

Finding the Fourth Proportional to 328,284.19, 452,955.04 and 199,219.75

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Solution

The fourth proportional to 328,284.19, 452,955.04 and 199,219.75 is: 274,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,284.19 : 452,955.04 = 199,219.75 : x
  2. Step 2: Convert to fraction form
    328,284.19/452,955.04 = 199,219.75/x
  3. Step 3: Cross multiply
    328,284.19x = 452,955.04 × 199,219.75
  4. Step 4: Simplify right side
    328,284.19x = 90,237,590,747.48
  5. Step 5: Solve for x
    x = 90,237,590,747.48/328,284.19
  6. Step 6: Final answer
    x = 274,876.44

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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.