Home / 460,351.53-690,630.33-140,531.84

Finding the Fourth Proportional to 460,351.53, 690,630.33 and 140,531.84

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Solution

The fourth proportional to 460,351.53, 690,630.33 and 140,531.84 is: 210,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,351.53 : 690,630.33 = 140,531.84 : x
  2. Step 2: Convert to fraction form
    460,351.53/690,630.33 = 140,531.84/x
  3. Step 3: Cross multiply
    460,351.53x = 690,630.33 × 140,531.84
  4. Step 4: Simplify right side
    460,351.53x = 97,055,550,698.41
  5. Step 5: Solve for x
    x = 97,055,550,698.41/460,351.53
  6. Step 6: Final answer
    x = 210,829.21

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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.