Home / 328,153.21-452,678.52-226,001.68

Finding the Fourth Proportional to 328,153.21, 452,678.52 and 226,001.68

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Solution

The fourth proportional to 328,153.21, 452,678.52 and 226,001.68 is: 311,763.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,153.21 : 452,678.52 = 226,001.68 : x
  2. Step 2: Convert to fraction form
    328,153.21/452,678.52 = 226,001.68/x
  3. Step 3: Cross multiply
    328,153.21x = 452,678.52 × 226,001.68
  4. Step 4: Simplify right side
    328,153.21x = 102,306,105,735.72
  5. Step 5: Solve for x
    x = 102,306,105,735.72/328,153.21
  6. Step 6: Final answer
    x = 311,763.24

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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.