Home / 121,192.36-167,274.92-70,196.86

Finding the Fourth Proportional to 121,192.36, 167,274.92 and 70,196.86

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Solution

The fourth proportional to 121,192.36, 167,274.92 and 70,196.86 is: 96,888.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,192.36 : 167,274.92 = 70,196.86 : x
  2. Step 2: Convert to fraction form
    121,192.36/167,274.92 = 70,196.86/x
  3. Step 3: Cross multiply
    121,192.36x = 167,274.92 × 70,196.86
  4. Step 4: Simplify right side
    121,192.36x = 11,742,174,257.54
  5. Step 5: Solve for x
    x = 11,742,174,257.54/121,192.36
  6. Step 6: Final answer
    x = 96,888.73

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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.