Home / 111,181.80-153,430.12-60,194.16

Finding the Fourth Proportional to 111,181.80, 153,430.12 and 60,194.16

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Solution

The fourth proportional to 111,181.80, 153,430.12 and 60,194.16 is: 83,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,181.80 : 153,430.12 = 60,194.16 : x
  2. Step 2: Convert to fraction form
    111,181.80/153,430.12 = 60,194.16/x
  3. Step 3: Cross multiply
    111,181.80x = 153,430.12 × 60,194.16
  4. Step 4: Simplify right side
    111,181.80x = 9,235,597,192.10
  5. Step 5: Solve for x
    x = 9,235,597,192.10/111,181.80
  6. Step 6: Final answer
    x = 83,067.53

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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.