Home / 142,047.58-213,015.98-53,252.62

Finding the Fourth Proportional to 142,047.58, 213,015.98 and 53,252.62

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Solution

The fourth proportional to 142,047.58, 213,015.98 and 53,252.62 is: 79,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,047.58 : 213,015.98 = 53,252.62 : x
  2. Step 2: Convert to fraction form
    142,047.58/213,015.98 = 53,252.62/x
  3. Step 3: Cross multiply
    142,047.58x = 213,015.98 × 53,252.62
  4. Step 4: Simplify right side
    142,047.58x = 11,343,659,036.87
  5. Step 5: Solve for x
    x = 11,343,659,036.87/142,047.58
  6. Step 6: Final answer
    x = 79,858.16

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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.