Home / 142,566.94-213,873.50-53,828.20

Finding the Fourth Proportional to 142,566.94, 213,873.50 and 53,828.20

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Solution

The fourth proportional to 142,566.94, 213,873.50 and 53,828.20 is: 80,751.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,566.94 : 213,873.50 = 53,828.20 : x
  2. Step 2: Convert to fraction form
    142,566.94/213,873.50 = 53,828.20/x
  3. Step 3: Cross multiply
    142,566.94x = 213,873.50 × 53,828.20
  4. Step 4: Simplify right side
    142,566.94x = 11,512,425,532.70
  5. Step 5: Solve for x
    x = 11,512,425,532.70/142,566.94
  6. Step 6: Final answer
    x = 80,751.02

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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.