Home / 133,025.83-183,606.35-87,711.80

Finding the Fourth Proportional to 133,025.83, 183,606.35 and 87,711.80

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Solution

The fourth proportional to 133,025.83, 183,606.35 and 87,711.80 is: 121,062.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,025.83 : 183,606.35 = 87,711.80 : x
  2. Step 2: Convert to fraction form
    133,025.83/183,606.35 = 87,711.80/x
  3. Step 3: Cross multiply
    133,025.83x = 183,606.35 × 87,711.80
  4. Step 4: Simplify right side
    133,025.83x = 16,104,442,093.34
  5. Step 5: Solve for x
    x = 16,104,442,093.34/133,025.83
  6. Step 6: Final answer
    x = 121,062.52

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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.