Home / 111,995.08-168,017.56-40,917.60

Finding the Fourth Proportional to 111,995.08, 168,017.56 and 40,917.60

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Solution

The fourth proportional to 111,995.08, 168,017.56 and 40,917.60 is: 61,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,995.08 : 168,017.56 = 40,917.60 : x
  2. Step 2: Convert to fraction form
    111,995.08/168,017.56 = 40,917.60/x
  3. Step 3: Cross multiply
    111,995.08x = 168,017.56 × 40,917.60
  4. Step 4: Simplify right side
    111,995.08x = 6,874,875,313.06
  5. Step 5: Solve for x
    x = 6,874,875,313.06/111,995.08
  6. Step 6: Final answer
    x = 61,385.51

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1.5x scale

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.