Home / 328,631.16-492,941.58-168,614.72

Finding the Fourth Proportional to 328,631.16, 492,941.58 and 168,614.72

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Solution

The fourth proportional to 328,631.16, 492,941.58 and 168,614.72 is: 252,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,631.16 : 492,941.58 = 168,614.72 : x
  2. Step 2: Convert to fraction form
    328,631.16/492,941.58 = 168,614.72/x
  3. Step 3: Cross multiply
    328,631.16x = 492,941.58 × 168,614.72
  4. Step 4: Simplify right side
    328,631.16x = 83,117,206,488.06
  5. Step 5: Solve for x
    x = 83,117,206,488.06/328,631.16
  6. Step 6: Final answer
    x = 252,919.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.