Home / 136,461.18-204,883.05-69,949.02

Finding the Fourth Proportional to 136,461.18, 204,883.05 and 69,949.02

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Solution

The fourth proportional to 136,461.18, 204,883.05 and 69,949.02 is: 105,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,461.18 : 204,883.05 = 69,949.02 : x
  2. Step 2: Convert to fraction form
    136,461.18/204,883.05 = 69,949.02/x
  3. Step 3: Cross multiply
    136,461.18x = 204,883.05 × 69,949.02
  4. Step 4: Simplify right side
    136,461.18x = 14,331,368,562.11
  5. Step 5: Solve for x
    x = 14,331,368,562.11/136,461.18
  6. Step 6: Final answer
    x = 105,021.58

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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.