Home / 133,036.10-199,610.85-69,904.70

Finding the Fourth Proportional to 133,036.10, 199,610.85 and 69,904.70

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Solution

The fourth proportional to 133,036.10, 199,610.85 and 69,904.70 is: 104,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,036.10 : 199,610.85 = 69,904.70 : x
  2. Step 2: Convert to fraction form
    133,036.10/199,610.85 = 69,904.70/x
  3. Step 3: Cross multiply
    133,036.10x = 199,610.85 × 69,904.70
  4. Step 4: Simplify right side
    133,036.10x = 13,953,736,586.00
  5. Step 5: Solve for x
    x = 13,953,736,586.00/133,036.10
  6. Step 6: Final answer
    x = 104,886.84

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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.