Home / 228,106.54-342,137.80-70,292.62

Finding the Fourth Proportional to 228,106.54, 342,137.80 and 70,292.62

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Solution

The fourth proportional to 228,106.54, 342,137.80 and 70,292.62 is: 105,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,106.54 : 342,137.80 = 70,292.62 : x
  2. Step 2: Convert to fraction form
    228,106.54/342,137.80 = 70,292.62/x
  3. Step 3: Cross multiply
    228,106.54x = 342,137.80 × 70,292.62
  4. Step 4: Simplify right side
    228,106.54x = 24,049,762,363.04
  5. Step 5: Solve for x
    x = 24,049,762,363.04/228,106.54
  6. Step 6: Final answer
    x = 105,432.15

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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.