Home / 202,160.81-279,091.27-121,606.31

Finding the Fourth Proportional to 202,160.81, 279,091.27 and 121,606.31

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Solution

The fourth proportional to 202,160.81, 279,091.27 and 121,606.31 is: 167,882.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,160.81 : 279,091.27 = 121,606.31 : x
  2. Step 2: Convert to fraction form
    202,160.81/279,091.27 = 121,606.31/x
  3. Step 3: Cross multiply
    202,160.81x = 279,091.27 × 121,606.31
  4. Step 4: Simplify right side
    202,160.81x = 33,939,260,347.65
  5. Step 5: Solve for x
    x = 33,939,260,347.65/202,160.81
  6. Step 6: Final answer
    x = 167,882.49

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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.