Home / 328,865.76-453,835.14-177,962.76

Finding the Fourth Proportional to 328,865.76, 453,835.14 and 177,962.76

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Solution

The fourth proportional to 328,865.76, 453,835.14 and 177,962.76 is: 245,588.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,865.76 : 453,835.14 = 177,962.76 : x
  2. Step 2: Convert to fraction form
    328,865.76/453,835.14 = 177,962.76/x
  3. Step 3: Cross multiply
    328,865.76x = 453,835.14 × 177,962.76
  4. Step 4: Simplify right side
    328,865.76x = 80,765,754,099.39
  5. Step 5: Solve for x
    x = 80,765,754,099.39/328,865.76
  6. Step 6: Final answer
    x = 245,588.82

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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.