Home / 111,544.50-154,062.63-75,672.24

Finding the Fourth Proportional to 111,544.50, 154,062.63 and 75,672.24

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Solution

The fourth proportional to 111,544.50, 154,062.63 and 75,672.24 is: 104,516.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,544.50 : 154,062.63 = 75,672.24 : x
  2. Step 2: Convert to fraction form
    111,544.50/154,062.63 = 75,672.24/x
  3. Step 3: Cross multiply
    111,544.50x = 154,062.63 × 75,672.24
  4. Step 4: Simplify right side
    111,544.50x = 11,658,264,312.39
  5. Step 5: Solve for x
    x = 11,658,264,312.39/111,544.50
  6. Step 6: Final answer
    x = 104,516.71

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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.