Home / 154,432.90-231,649.35-152,100.10

Finding the Fourth Proportional to 154,432.90, 231,649.35 and 152,100.10

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Solution

The fourth proportional to 154,432.90, 231,649.35 and 152,100.10 is: 228,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,432.90 : 231,649.35 = 152,100.10 : x
  2. Step 2: Convert to fraction form
    154,432.90/231,649.35 = 152,100.10/x
  3. Step 3: Cross multiply
    154,432.90x = 231,649.35 × 152,100.10
  4. Step 4: Simplify right side
    154,432.90x = 35,233,889,299.94
  5. Step 5: Solve for x
    x = 35,233,889,299.94/154,432.90
  6. Step 6: Final answer
    x = 228,150.15

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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.