Home / 248,789.28-373,242.24-99,038.72

Finding the Fourth Proportional to 248,789.28, 373,242.24 and 99,038.72

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Solution

The fourth proportional to 248,789.28, 373,242.24 and 99,038.72 is: 148,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,789.28 : 373,242.24 = 99,038.72 : x
  2. Step 2: Convert to fraction form
    248,789.28/373,242.24 = 99,038.72/x
  3. Step 3: Cross multiply
    248,789.28x = 373,242.24 × 99,038.72
  4. Step 4: Simplify right side
    248,789.28x = 36,965,433,699.53
  5. Step 5: Solve for x
    x = 36,965,433,699.53/248,789.28
  6. Step 6: Final answer
    x = 148,581.30

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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.