Home / 347,807.48-521,908.64-148,107.04

Finding the Fourth Proportional to 347,807.48, 521,908.64 and 148,107.04

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Solution

The fourth proportional to 347,807.48, 521,908.64 and 148,107.04 is: 222,244.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,807.48 : 521,908.64 = 148,107.04 : x
  2. Step 2: Convert to fraction form
    347,807.48/521,908.64 = 148,107.04/x
  3. Step 3: Cross multiply
    347,807.48x = 521,908.64 × 148,107.04
  4. Step 4: Simplify right side
    347,807.48x = 77,298,343,820.83
  5. Step 5: Solve for x
    x = 77,298,343,820.83/347,807.48
  6. Step 6: Final answer
    x = 222,244.63

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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.