Home / 328,529.38-453,370.46-185,289.10

Finding the Fourth Proportional to 328,529.38, 453,370.46 and 185,289.10

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Solution

The fourth proportional to 328,529.38, 453,370.46 and 185,289.10 is: 255,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,529.38 : 453,370.46 = 185,289.10 : x
  2. Step 2: Convert to fraction form
    328,529.38/453,370.46 = 185,289.10/x
  3. Step 3: Cross multiply
    328,529.38x = 453,370.46 × 185,289.10
  4. Step 4: Simplify right side
    328,529.38x = 84,004,604,499.99
  5. Step 5: Solve for x
    x = 84,004,604,499.99/328,529.38
  6. Step 6: Final answer
    x = 255,698.91

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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.