Home / 133,048.98-199,430.64-66,357.36

Finding the Fourth Proportional to 133,048.98, 199,430.64 and 66,357.36

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Solution

The fourth proportional to 133,048.98, 199,430.64 and 66,357.36 is: 99,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,048.98 : 199,430.64 = 66,357.36 : x
  2. Step 2: Convert to fraction form
    133,048.98/199,430.64 = 66,357.36/x
  3. Step 3: Cross multiply
    133,048.98x = 199,430.64 × 66,357.36
  4. Step 4: Simplify right side
    133,048.98x = 13,233,690,773.51
  5. Step 5: Solve for x
    x = 13,233,690,773.51/133,048.98
  6. Step 6: Final answer
    x = 99,464.80

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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.