Home / 116,268.68-160,409.40-76,005.56

Finding the Fourth Proportional to 116,268.68, 160,409.40 and 76,005.56

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Solution

The fourth proportional to 116,268.68, 160,409.40 and 76,005.56 is: 104,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,268.68 : 160,409.40 = 76,005.56 : x
  2. Step 2: Convert to fraction form
    116,268.68/160,409.40 = 76,005.56/x
  3. Step 3: Cross multiply
    116,268.68x = 160,409.40 × 76,005.56
  4. Step 4: Simplify right side
    116,268.68x = 12,192,006,276.26
  5. Step 5: Solve for x
    x = 12,192,006,276.26/116,268.68
  6. Step 6: Final answer
    x = 104,860.62

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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.