Home / 202,395.23-279,316.37-111,750.93

Finding the Fourth Proportional to 202,395.23, 279,316.37 and 111,750.93

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Solution

The fourth proportional to 202,395.23, 279,316.37 and 111,750.93 is: 154,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,395.23 : 279,316.37 = 111,750.93 : x
  2. Step 2: Convert to fraction form
    202,395.23/279,316.37 = 111,750.93/x
  3. Step 3: Cross multiply
    202,395.23x = 279,316.37 × 111,750.93
  4. Step 4: Simplify right side
    202,395.23x = 31,213,863,552.97
  5. Step 5: Solve for x
    x = 31,213,863,552.97/202,395.23
  6. Step 6: Final answer
    x = 154,222.33

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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.