Home / 133,044.90-199,400.25-66,503.58

Finding the Fourth Proportional to 133,044.90, 199,400.25 and 66,503.58

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Solution

The fourth proportional to 133,044.90, 199,400.25 and 66,503.58 is: 99,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,044.90 : 199,400.25 = 66,503.58 : x
  2. Step 2: Convert to fraction form
    133,044.90/199,400.25 = 66,503.58/x
  3. Step 3: Cross multiply
    133,044.90x = 199,400.25 × 66,503.58
  4. Step 4: Simplify right side
    133,044.90x = 13,260,830,477.90
  5. Step 5: Solve for x
    x = 13,260,830,477.90/133,044.90
  6. Step 6: Final answer
    x = 99,671.84

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1.5x scale

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.