Home / 347,341.11-521,260.74-147,801.66

Finding the Fourth Proportional to 347,341.11, 521,260.74 and 147,801.66

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Solution

The fourth proportional to 347,341.11, 521,260.74 and 147,801.66 is: 221,808.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,341.11 : 521,260.74 = 147,801.66 : x
  2. Step 2: Convert to fraction form
    347,341.11/521,260.74 = 147,801.66/x
  3. Step 3: Cross multiply
    347,341.11x = 521,260.74 × 147,801.66
  4. Step 4: Simplify right side
    347,341.11x = 77,043,202,664.83
  5. Step 5: Solve for x
    x = 77,043,202,664.83/347,341.11
  6. Step 6: Final answer
    x = 221,808.48

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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.