Home / 231,827.80-347,741.70-74,061.40

Finding the Fourth Proportional to 231,827.80, 347,741.70 and 74,061.40

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Solution

The fourth proportional to 231,827.80, 347,741.70 and 74,061.40 is: 111,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,827.80 : 347,741.70 = 74,061.40 : x
  2. Step 2: Convert to fraction form
    231,827.80/347,741.70 = 74,061.40/x
  3. Step 3: Cross multiply
    231,827.80x = 347,741.70 × 74,061.40
  4. Step 4: Simplify right side
    231,827.80x = 25,754,237,140.38
  5. Step 5: Solve for x
    x = 25,754,237,140.38/231,827.80
  6. Step 6: Final answer
    x = 111,092.10

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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.