Home / 111,980.40-154,528.32-60,993.33

Finding the Fourth Proportional to 111,980.40, 154,528.32 and 60,993.33

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Solution

The fourth proportional to 111,980.40, 154,528.32 and 60,993.33 is: 84,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,980.40 : 154,528.32 = 60,993.33 : x
  2. Step 2: Convert to fraction form
    111,980.40/154,528.32 = 60,993.33/x
  3. Step 3: Cross multiply
    111,980.40x = 154,528.32 × 60,993.33
  4. Step 4: Simplify right side
    111,980.40x = 9,425,196,816.11
  5. Step 5: Solve for x
    x = 9,425,196,816.11/111,980.40
  6. Step 6: Final answer
    x = 84,168.27

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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.