Home / 347,223.11-520,702.43-122,541.66

Finding the Fourth Proportional to 347,223.11, 520,702.43 and 122,541.66

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Solution

The fourth proportional to 347,223.11, 520,702.43 and 122,541.66 is: 183,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,223.11 : 520,702.43 = 122,541.66 : x
  2. Step 2: Convert to fraction form
    347,223.11/520,702.43 = 122,541.66/x
  3. Step 3: Cross multiply
    347,223.11x = 520,702.43 × 122,541.66
  4. Step 4: Simplify right side
    347,223.11x = 63,807,739,525.53
  5. Step 5: Solve for x
    x = 63,807,739,525.53/347,223.11
  6. Step 6: Final answer
    x = 183,765.82

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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.