Home / 202,164.95-279,096.89-121,610.45

Finding the Fourth Proportional to 202,164.95, 279,096.89 and 121,610.45

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Solution

The fourth proportional to 202,164.95, 279,096.89 and 121,610.45 is: 167,888.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,164.95 : 279,096.89 = 121,610.45 : x
  2. Step 2: Convert to fraction form
    202,164.95/279,096.89 = 121,610.45/x
  3. Step 3: Cross multiply
    202,164.95x = 279,096.89 × 121,610.45
  4. Step 4: Simplify right side
    202,164.95x = 33,941,096,382.96
  5. Step 5: Solve for x
    x = 33,941,096,382.96/202,164.95
  6. Step 6: Final answer
    x = 167,888.14

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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.