Home / 190,633.36-263,064.36-105,748.60

Finding the Fourth Proportional to 190,633.36, 263,064.36 and 105,748.60

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Solution

The fourth proportional to 190,633.36, 263,064.36 and 105,748.60 is: 145,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,633.36 : 263,064.36 = 105,748.60 : x
  2. Step 2: Convert to fraction form
    190,633.36/263,064.36 = 105,748.60/x
  3. Step 3: Cross multiply
    190,633.36x = 263,064.36 × 105,748.60
  4. Step 4: Simplify right side
    190,633.36x = 27,818,687,779.90
  5. Step 5: Solve for x
    x = 27,818,687,779.90/190,633.36
  6. Step 6: Final answer
    x = 145,927.70

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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.