Home / 354,748.30-531,806.07-130,056.37

Finding the Fourth Proportional to 354,748.30, 531,806.07 and 130,056.37

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Solution

The fourth proportional to 354,748.30, 531,806.07 and 130,056.37 is: 194,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,748.30 : 531,806.07 = 130,056.37 : x
  2. Step 2: Convert to fraction form
    354,748.30/531,806.07 = 130,056.37/x
  3. Step 3: Cross multiply
    354,748.30x = 531,806.07 × 130,056.37
  4. Step 4: Simplify right side
    354,748.30x = 69,164,767,861.24
  5. Step 5: Solve for x
    x = 69,164,767,861.24/354,748.30
  6. Step 6: Final answer
    x = 194,968.57

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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.