Home / 111,185.23-153,433.75-60,197.54

Finding the Fourth Proportional to 111,185.23, 153,433.75 and 60,197.54

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Solution

The fourth proportional to 111,185.23, 153,433.75 and 60,197.54 is: 83,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,185.23 : 153,433.75 = 60,197.54 : x
  2. Step 2: Convert to fraction form
    111,185.23/153,433.75 = 60,197.54/x
  3. Step 3: Cross multiply
    111,185.23x = 153,433.75 × 60,197.54
  4. Step 4: Simplify right side
    111,185.23x = 9,236,334,302.98
  5. Step 5: Solve for x
    x = 9,236,334,302.98/111,185.23
  6. Step 6: Final answer
    x = 83,071.60

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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.