Home / 152,442.20-228,663.30-47,293.40

Finding the Fourth Proportional to 152,442.20, 228,663.30 and 47,293.40

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Solution

The fourth proportional to 152,442.20, 228,663.30 and 47,293.40 is: 70,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,442.20 : 228,663.30 = 47,293.40 : x
  2. Step 2: Convert to fraction form
    152,442.20/228,663.30 = 47,293.40/x
  3. Step 3: Cross multiply
    152,442.20x = 228,663.30 × 47,293.40
  4. Step 4: Simplify right side
    152,442.20x = 10,814,264,912.22
  5. Step 5: Solve for x
    x = 10,814,264,912.22/152,442.20
  6. Step 6: Final answer
    x = 70,940.10

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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.