Home / 132,817.22-183,285.48-72,388.59

Finding the Fourth Proportional to 132,817.22, 183,285.48 and 72,388.59

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Solution

The fourth proportional to 132,817.22, 183,285.48 and 72,388.59 is: 99,895.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,817.22 : 183,285.48 = 72,388.59 : x
  2. Step 2: Convert to fraction form
    132,817.22/183,285.48 = 72,388.59/x
  3. Step 3: Cross multiply
    132,817.22x = 183,285.48 × 72,388.59
  4. Step 4: Simplify right side
    132,817.22x = 13,267,777,048.81
  5. Step 5: Solve for x
    x = 13,267,777,048.81/132,817.22
  6. Step 6: Final answer
    x = 99,895.01

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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.