Home / 190,333.41-262,541.28-122,438.89

Finding the Fourth Proportional to 190,333.41, 262,541.28 and 122,438.89

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Solution

The fourth proportional to 190,333.41, 262,541.28 and 122,438.89 is: 168,889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,333.41 : 262,541.28 = 122,438.89 : x
  2. Step 2: Convert to fraction form
    190,333.41/262,541.28 = 122,438.89/x
  3. Step 3: Cross multiply
    190,333.41x = 262,541.28 × 122,438.89
  4. Step 4: Simplify right side
    190,333.41x = 32,145,262,902.38
  5. Step 5: Solve for x
    x = 32,145,262,902.38/190,333.41
  6. Step 6: Final answer
    x = 168,889.23

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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.