Home / 328,517.08-453,369-185,274.16

Finding the Fourth Proportional to 328,517.08, 453,369 and 185,274.16

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Solution

The fourth proportional to 328,517.08, 453,369 and 185,274.16 is: 255,687.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,517.08 : 453,369 = 185,274.16 : x
  2. Step 2: Convert to fraction form
    328,517.08/453,369 = 185,274.16/x
  3. Step 3: Cross multiply
    328,517.08x = 453,369 × 185,274.16
  4. Step 4: Simplify right side
    328,517.08x = 83,997,560,645.04
  5. Step 5: Solve for x
    x = 83,997,560,645.04/328,517.08
  6. Step 6: Final answer
    x = 255,687.04

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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.