Home / 347,154.60-520,731.90-97,836.60

Finding the Fourth Proportional to 347,154.60, 520,731.90 and 97,836.60

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Solution

The fourth proportional to 347,154.60, 520,731.90 and 97,836.60 is: 146,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,154.60 : 520,731.90 = 97,836.60 : x
  2. Step 2: Convert to fraction form
    347,154.60/520,731.90 = 97,836.60/x
  3. Step 3: Cross multiply
    347,154.60x = 520,731.90 × 97,836.60
  4. Step 4: Simplify right side
    347,154.60x = 50,946,638,607.54
  5. Step 5: Solve for x
    x = 50,946,638,607.54/347,154.60
  6. Step 6: Final answer
    x = 146,754.90

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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.