Home / 142,843.10-214,279.23-49,336.70

Finding the Fourth Proportional to 142,843.10, 214,279.23 and 49,336.70

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Solution

The fourth proportional to 142,843.10, 214,279.23 and 49,336.70 is: 74,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,843.10 : 214,279.23 = 49,336.70 : x
  2. Step 2: Convert to fraction form
    142,843.10/214,279.23 = 49,336.70/x
  3. Step 3: Cross multiply
    142,843.10x = 214,279.23 × 49,336.70
  4. Step 4: Simplify right side
    142,843.10x = 10,571,829,015.34
  5. Step 5: Solve for x
    x = 10,571,829,015.34/142,843.10
  6. Step 6: Final answer
    x = 74,010.08

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1.5x scale

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.