Home / 328,223.25-492,335.01-103,606.38

Finding the Fourth Proportional to 328,223.25, 492,335.01 and 103,606.38

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Solution

The fourth proportional to 328,223.25, 492,335.01 and 103,606.38 is: 155,409.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,223.25 : 492,335.01 = 103,606.38 : x
  2. Step 2: Convert to fraction form
    328,223.25/492,335.01 = 103,606.38/x
  3. Step 3: Cross multiply
    328,223.25x = 492,335.01 × 103,606.38
  4. Step 4: Simplify right side
    328,223.25x = 51,009,048,133.36
  5. Step 5: Solve for x
    x = 51,009,048,133.36/328,223.25
  6. Step 6: Final answer
    x = 155,409.61

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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.