Home / 180,268.77-248,769.45-99,699.69

Finding the Fourth Proportional to 180,268.77, 248,769.45 and 99,699.69

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Solution

The fourth proportional to 180,268.77, 248,769.45 and 99,699.69 is: 137,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,268.77 : 248,769.45 = 99,699.69 : x
  2. Step 2: Convert to fraction form
    180,268.77/248,769.45 = 99,699.69/x
  3. Step 3: Cross multiply
    180,268.77x = 248,769.45 × 99,699.69
  4. Step 4: Simplify right side
    180,268.77x = 24,802,237,046.47
  5. Step 5: Solve for x
    x = 24,802,237,046.47/180,268.77
  6. Step 6: Final answer
    x = 137,584.77

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1.5x scale

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.