Home / 328,840.07-453,875.13-192,917.69

Finding the Fourth Proportional to 328,840.07, 453,875.13 and 192,917.69

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Solution

The fourth proportional to 328,840.07, 453,875.13 and 192,917.69 is: 266,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,840.07 : 453,875.13 = 192,917.69 : x
  2. Step 2: Convert to fraction form
    328,840.07/453,875.13 = 192,917.69/x
  3. Step 3: Cross multiply
    328,840.07x = 453,875.13 × 192,917.69
  4. Step 4: Simplify right side
    328,840.07x = 87,560,539,358.67
  5. Step 5: Solve for x
    x = 87,560,539,358.67/328,840.07
  6. Step 6: Final answer
    x = 266,270.90

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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.