Home / 231,787.40-347,681.10-201,374.60

Finding the Fourth Proportional to 231,787.40, 347,681.10 and 201,374.60

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Solution

The fourth proportional to 231,787.40, 347,681.10 and 201,374.60 is: 302,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787.40 : 347,681.10 = 201,374.60 : x
  2. Step 2: Convert to fraction form
    231,787.40/347,681.10 = 201,374.60/x
  3. Step 3: Cross multiply
    231,787.40x = 347,681.10 × 201,374.60
  4. Step 4: Simplify right side
    231,787.40x = 70,014,142,440.06
  5. Step 5: Solve for x
    x = 70,014,142,440.06/231,787.40
  6. Step 6: Final answer
    x = 302,061.90

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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.