Home / 326,150.32-489,380.09-157,576.16

Finding the Fourth Proportional to 326,150.32, 489,380.09 and 157,576.16

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Solution

The fourth proportional to 326,150.32, 489,380.09 and 157,576.16 is: 236,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,150.32 : 489,380.09 = 157,576.16 : x
  2. Step 2: Convert to fraction form
    326,150.32/489,380.09 = 157,576.16/x
  3. Step 3: Cross multiply
    326,150.32x = 489,380.09 × 157,576.16
  4. Step 4: Simplify right side
    326,150.32x = 77,114,635,362.65
  5. Step 5: Solve for x
    x = 77,114,635,362.65/326,150.32
  6. Step 6: Final answer
    x = 236,438.94

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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.