Home / 228,056.26-342,088.49-70,280.61

Finding the Fourth Proportional to 228,056.26, 342,088.49 and 70,280.61

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Solution

The fourth proportional to 228,056.26, 342,088.49 and 70,280.61 is: 105,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,056.26 : 342,088.49 = 70,280.61 : x
  2. Step 2: Convert to fraction form
    228,056.26/342,088.49 = 70,280.61/x
  3. Step 3: Cross multiply
    228,056.26x = 342,088.49 × 70,280.61
  4. Step 4: Simplify right side
    228,056.26x = 24,042,188,370.63
  5. Step 5: Solve for x
    x = 24,042,188,370.63/228,056.26
  6. Step 6: Final answer
    x = 105,422.18

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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.