Home / 152,486.10-228,401.10-126,242.10

Finding the Fourth Proportional to 152,486.10, 228,401.10 and 126,242.10

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Solution

The fourth proportional to 152,486.10, 228,401.10 and 126,242.10 is: 189,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,486.10 : 228,401.10 = 126,242.10 : x
  2. Step 2: Convert to fraction form
    152,486.10/228,401.10 = 126,242.10/x
  3. Step 3: Cross multiply
    152,486.10x = 228,401.10 × 126,242.10
  4. Step 4: Simplify right side
    152,486.10x = 28,833,834,506.31
  5. Step 5: Solve for x
    x = 28,833,834,506.31/152,486.10
  6. Step 6: Final answer
    x = 189,091.56

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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.