Home / 132,610.07-183,005.87-81,652.20

Finding the Fourth Proportional to 132,610.07, 183,005.87 and 81,652.20

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Solution

The fourth proportional to 132,610.07, 183,005.87 and 81,652.20 is: 112,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,610.07 : 183,005.87 = 81,652.20 : x
  2. Step 2: Convert to fraction form
    132,610.07/183,005.87 = 81,652.20/x
  3. Step 3: Cross multiply
    132,610.07x = 183,005.87 × 81,652.20
  4. Step 4: Simplify right side
    132,610.07x = 14,942,831,490.15
  5. Step 5: Solve for x
    x = 14,942,831,490.15/132,610.07
  6. Step 6: Final answer
    x = 112,682.48

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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.