Home / 116,389.68-160,579.44-67,980.48

Finding the Fourth Proportional to 116,389.68, 160,579.44 and 67,980.48

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Solution

The fourth proportional to 116,389.68, 160,579.44 and 67,980.48 is: 93,790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,389.68 : 160,579.44 = 67,980.48 : x
  2. Step 2: Convert to fraction form
    116,389.68/160,579.44 = 67,980.48/x
  3. Step 3: Cross multiply
    116,389.68x = 160,579.44 × 67,980.48
  4. Step 4: Simplify right side
    116,389.68x = 10,916,267,409.33
  5. Step 5: Solve for x
    x = 10,916,267,409.33/116,389.68
  6. Step 6: Final answer
    x = 93,790.68

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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.