Home / 141,628.20-212,442.30-124,117.80

Finding the Fourth Proportional to 141,628.20, 212,442.30 and 124,117.80

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Solution

The fourth proportional to 141,628.20, 212,442.30 and 124,117.80 is: 186,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,628.20 : 212,442.30 = 124,117.80 : x
  2. Step 2: Convert to fraction form
    141,628.20/212,442.30 = 124,117.80/x
  3. Step 3: Cross multiply
    141,628.20x = 212,442.30 × 124,117.80
  4. Step 4: Simplify right side
    141,628.20x = 26,367,870,902.94
  5. Step 5: Solve for x
    x = 26,367,870,902.94/141,628.20
  6. Step 6: Final answer
    x = 186,176.70

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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.