Home / 236,497.12-354,737.04-70,280.80

Finding the Fourth Proportional to 236,497.12, 354,737.04 and 70,280.80

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Solution

The fourth proportional to 236,497.12, 354,737.04 and 70,280.80 is: 105,418.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,497.12 : 354,737.04 = 70,280.80 : x
  2. Step 2: Convert to fraction form
    236,497.12/354,737.04 = 70,280.80/x
  3. Step 3: Cross multiply
    236,497.12x = 354,737.04 × 70,280.80
  4. Step 4: Simplify right side
    236,497.12x = 24,931,202,960.83
  5. Step 5: Solve for x
    x = 24,931,202,960.83/236,497.12
  6. Step 6: Final answer
    x = 105,418.63

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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.