Home / 149,585.30-206,007.80-146,319.38

Finding the Fourth Proportional to 149,585.30, 206,007.80 and 146,319.38

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Solution

The fourth proportional to 149,585.30, 206,007.80 and 146,319.38 is: 201,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,585.30 : 206,007.80 = 146,319.38 : x
  2. Step 2: Convert to fraction form
    149,585.30/206,007.80 = 146,319.38/x
  3. Step 3: Cross multiply
    149,585.30x = 206,007.80 × 146,319.38
  4. Step 4: Simplify right side
    149,585.30x = 30,142,933,571.16
  5. Step 5: Solve for x
    x = 30,142,933,571.16/149,585.30
  6. Step 6: Final answer
    x = 201,510.00

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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.