Home / 134,962.60-202,443.90-103,469.80

Finding the Fourth Proportional to 134,962.60, 202,443.90 and 103,469.80

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Solution

The fourth proportional to 134,962.60, 202,443.90 and 103,469.80 is: 155,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,962.60 : 202,443.90 = 103,469.80 : x
  2. Step 2: Convert to fraction form
    134,962.60/202,443.90 = 103,469.80/x
  3. Step 3: Cross multiply
    134,962.60x = 202,443.90 × 103,469.80
  4. Step 4: Simplify right side
    134,962.60x = 20,946,829,844.22
  5. Step 5: Solve for x
    x = 20,946,829,844.22/134,962.60
  6. Step 6: Final answer
    x = 155,204.70

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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.