Home / 328,289.77-453,125.91-213,882.40

Finding the Fourth Proportional to 328,289.77, 453,125.91 and 213,882.40

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Solution

The fourth proportional to 328,289.77, 453,125.91 and 213,882.40 is: 295,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,289.77 : 453,125.91 = 213,882.40 : x
  2. Step 2: Convert to fraction form
    328,289.77/453,125.91 = 213,882.40/x
  3. Step 3: Cross multiply
    328,289.77x = 453,125.91 × 213,882.40
  4. Step 4: Simplify right side
    328,289.77x = 96,915,657,132.98
  5. Step 5: Solve for x
    x = 96,915,657,132.98/328,289.77
  6. Step 6: Final answer
    x = 295,213.76

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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.