Home / 460,138.02-690,123.90-160,704.21

Finding the Fourth Proportional to 460,138.02, 690,123.90 and 160,704.21

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Solution

The fourth proportional to 460,138.02, 690,123.90 and 160,704.21 is: 241,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,138.02 : 690,123.90 = 160,704.21 : x
  2. Step 2: Convert to fraction form
    460,138.02/690,123.90 = 160,704.21/x
  3. Step 3: Cross multiply
    460,138.02x = 690,123.90 × 160,704.21
  4. Step 4: Simplify right side
    460,138.02x = 110,905,816,151.62
  5. Step 5: Solve for x
    x = 110,905,816,151.62/460,138.02
  6. Step 6: Final answer
    x = 241,027.28

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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.