Home / 328,021.28-452,514.60-191,970.95

Finding the Fourth Proportional to 328,021.28, 452,514.60 and 191,970.95

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Solution

The fourth proportional to 328,021.28, 452,514.60 and 191,970.95 is: 264,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,021.28 : 452,514.60 = 191,970.95 : x
  2. Step 2: Convert to fraction form
    328,021.28/452,514.60 = 191,970.95/x
  3. Step 3: Cross multiply
    328,021.28x = 452,514.60 × 191,970.95
  4. Step 4: Simplify right side
    328,021.28x = 86,869,655,388.30
  5. Step 5: Solve for x
    x = 86,869,655,388.30/328,021.28
  6. Step 6: Final answer
    x = 264,829.33

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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.