Home / 460,392.12-690,628.68-140,616.16

Finding the Fourth Proportional to 460,392.12, 690,628.68 and 140,616.16

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Solution

The fourth proportional to 460,392.12, 690,628.68 and 140,616.16 is: 210,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,392.12 : 690,628.68 = 140,616.16 : x
  2. Step 2: Convert to fraction form
    460,392.12/690,628.68 = 140,616.16/x
  3. Step 3: Cross multiply
    460,392.12x = 690,628.68 × 140,616.16
  4. Step 4: Simplify right side
    460,392.12x = 97,113,551,240.90
  5. Step 5: Solve for x
    x = 97,113,551,240.90/460,392.12
  6. Step 6: Final answer
    x = 210,936.61

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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.