Home / 132,844.60-199,266.90-102,777.40

Finding the Fourth Proportional to 132,844.60, 199,266.90 and 102,777.40

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Solution

The fourth proportional to 132,844.60, 199,266.90 and 102,777.40 is: 154,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,844.60 : 199,266.90 = 102,777.40 : x
  2. Step 2: Convert to fraction form
    132,844.60/199,266.90 = 102,777.40/x
  3. Step 3: Cross multiply
    132,844.60x = 199,266.90 × 102,777.40
  4. Step 4: Simplify right side
    132,844.60x = 20,480,133,888.06
  5. Step 5: Solve for x
    x = 20,480,133,888.06/132,844.60
  6. Step 6: Final answer
    x = 154,166.10

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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.