Home / 152,443.20-228,664.80-47,294.40

Finding the Fourth Proportional to 152,443.20, 228,664.80 and 47,294.40

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Solution

The fourth proportional to 152,443.20, 228,664.80 and 47,294.40 is: 70,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,443.20 : 228,664.80 = 47,294.40 : x
  2. Step 2: Convert to fraction form
    152,443.20/228,664.80 = 47,294.40/x
  3. Step 3: Cross multiply
    152,443.20x = 228,664.80 × 47,294.40
  4. Step 4: Simplify right side
    152,443.20x = 10,814,564,517.12
  5. Step 5: Solve for x
    x = 10,814,564,517.12/152,443.20
  6. Step 6: Final answer
    x = 70,941.60

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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.