Home / 379,926.10-524,299.08-210,160.22

Finding the Fourth Proportional to 379,926.10, 524,299.08 and 210,160.22

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Solution

The fourth proportional to 379,926.10, 524,299.08 and 210,160.22 is: 290,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,926.10 : 524,299.08 = 210,160.22 : x
  2. Step 2: Convert to fraction form
    379,926.10/524,299.08 = 210,160.22/x
  3. Step 3: Cross multiply
    379,926.10x = 524,299.08 × 210,160.22
  4. Step 4: Simplify right side
    379,926.10x = 110,186,809,932.23
  5. Step 5: Solve for x
    x = 110,186,809,932.23/379,926.10
  6. Step 6: Final answer
    x = 290,021.69

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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.