Home / 133,001.90-183,542.63-85,255.34

Finding the Fourth Proportional to 133,001.90, 183,542.63 and 85,255.34

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Solution

The fourth proportional to 133,001.90, 183,542.63 and 85,255.34 is: 117,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,001.90 : 183,542.63 = 85,255.34 : x
  2. Step 2: Convert to fraction form
    133,001.90/183,542.63 = 85,255.34/x
  3. Step 3: Cross multiply
    133,001.90x = 183,542.63 × 85,255.34
  4. Step 4: Simplify right side
    133,001.90x = 15,647,989,325.14
  5. Step 5: Solve for x
    x = 15,647,989,325.14/133,001.90
  6. Step 6: Final answer
    x = 117,652.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.