Home / 248,157.83-342,488.20-146,178.02

Finding the Fourth Proportional to 248,157.83, 342,488.20 and 146,178.02

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Solution

The fourth proportional to 248,157.83, 342,488.20 and 146,178.02 is: 201,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,157.83 : 342,488.20 = 146,178.02 : x
  2. Step 2: Convert to fraction form
    248,157.83/342,488.20 = 146,178.02/x
  3. Step 3: Cross multiply
    248,157.83x = 342,488.20 × 146,178.02
  4. Step 4: Simplify right side
    248,157.83x = 50,064,246,949.36
  5. Step 5: Solve for x
    x = 50,064,246,949.36/248,157.83
  6. Step 6: Final answer
    x = 201,743.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.