Home / 347,827.80-521,693.10-111,194.40

Finding the Fourth Proportional to 347,827.80, 521,693.10 and 111,194.40

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Solution

The fourth proportional to 347,827.80, 521,693.10 and 111,194.40 is: 166,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,827.80 : 521,693.10 = 111,194.40 : x
  2. Step 2: Convert to fraction form
    347,827.80/521,693.10 = 111,194.40/x
  3. Step 3: Cross multiply
    347,827.80x = 521,693.10 × 111,194.40
  4. Step 4: Simplify right side
    347,827.80x = 58,009,351,238.64
  5. Step 5: Solve for x
    x = 58,009,351,238.64/347,827.80
  6. Step 6: Final answer
    x = 166,776.06

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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.