Home / 168,475.73-252,712.57-42,115.34

Finding the Fourth Proportional to 168,475.73, 252,712.57 and 42,115.34

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Solution

The fourth proportional to 168,475.73, 252,712.57 and 42,115.34 is: 63,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,475.73 : 252,712.57 = 42,115.34 : x
  2. Step 2: Convert to fraction form
    168,475.73/252,712.57 = 42,115.34/x
  3. Step 3: Cross multiply
    168,475.73x = 252,712.57 × 42,115.34
  4. Step 4: Simplify right side
    168,475.73x = 10,643,075,807.82
  5. Step 5: Solve for x
    x = 10,643,075,807.82/168,475.73
  6. Step 6: Final answer
    x = 63,172.75

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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.