Home / 142,181.76-213,338.58-62,209.19

Finding the Fourth Proportional to 142,181.76, 213,338.58 and 62,209.19

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Solution

The fourth proportional to 142,181.76, 213,338.58 and 62,209.19 is: 93,342.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,181.76 : 213,338.58 = 62,209.19 : x
  2. Step 2: Convert to fraction form
    142,181.76/213,338.58 = 62,209.19/x
  3. Step 3: Cross multiply
    142,181.76x = 213,338.58 × 62,209.19
  4. Step 4: Simplify right side
    142,181.76x = 13,271,619,190.86
  5. Step 5: Solve for x
    x = 13,271,619,190.86/142,181.76
  6. Step 6: Final answer
    x = 93,342.63

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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.