Home / 132,999.90-183,539.87-85,253.34

Finding the Fourth Proportional to 132,999.90, 183,539.87 and 85,253.34

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Solution

The fourth proportional to 132,999.90, 183,539.87 and 85,253.34 is: 117,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,999.90 : 183,539.87 = 85,253.34 : x
  2. Step 2: Convert to fraction form
    132,999.90/183,539.87 = 85,253.34/x
  3. Step 3: Cross multiply
    132,999.90x = 183,539.87 × 85,253.34
  4. Step 4: Simplify right side
    132,999.90x = 15,647,386,940.67
  5. Step 5: Solve for x
    x = 15,647,386,940.67/132,999.90
  6. Step 6: Final answer
    x = 117,649.61

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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.