Home / 120,801.40-181,056.30-61,606.60

Finding the Fourth Proportional to 120,801.40, 181,056.30 and 61,606.60

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Solution

The fourth proportional to 120,801.40, 181,056.30 and 61,606.60 is: 92,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,801.40 : 181,056.30 = 61,606.60 : x
  2. Step 2: Convert to fraction form
    120,801.40/181,056.30 = 61,606.60/x
  3. Step 3: Cross multiply
    120,801.40x = 181,056.30 × 61,606.60
  4. Step 4: Simplify right side
    120,801.40x = 11,154,263,051.58
  5. Step 5: Solve for x
    x = 11,154,263,051.58/120,801.40
  6. Step 6: Final answer
    x = 92,335.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.