Home / 121,340.33-167,450.22-70,383.23

Finding the Fourth Proportional to 121,340.33, 167,450.22 and 70,383.23

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Solution

The fourth proportional to 121,340.33, 167,450.22 and 70,383.23 is: 97,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,340.33 : 167,450.22 = 70,383.23 : x
  2. Step 2: Convert to fraction form
    121,340.33/167,450.22 = 70,383.23/x
  3. Step 3: Cross multiply
    121,340.33x = 167,450.22 × 70,383.23
  4. Step 4: Simplify right side
    121,340.33x = 11,785,686,510.56
  5. Step 5: Solve for x
    x = 11,785,686,510.56/121,340.33
  6. Step 6: Final answer
    x = 97,129.18

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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.