Home / 460,138.42-690,244.49-160,612.35

Finding the Fourth Proportional to 460,138.42, 690,244.49 and 160,612.35

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Solution

The fourth proportional to 460,138.42, 690,244.49 and 160,612.35 is: 240,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,138.42 : 690,244.49 = 160,612.35 : x
  2. Step 2: Convert to fraction form
    460,138.42/690,244.49 = 160,612.35/x
  3. Step 3: Cross multiply
    460,138.42x = 690,244.49 × 160,612.35
  4. Step 4: Simplify right side
    460,138.42x = 110,861,789,613.45
  5. Step 5: Solve for x
    x = 110,861,789,613.45/460,138.42
  6. Step 6: Final answer
    x = 240,931.39

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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.