Home / 121,529.04-167,745.26-70,553.22

Finding the Fourth Proportional to 121,529.04, 167,745.26 and 70,553.22

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Solution

The fourth proportional to 121,529.04, 167,745.26 and 70,553.22 is: 97,383.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,529.04 : 167,745.26 = 70,553.22 : x
  2. Step 2: Convert to fraction form
    121,529.04/167,745.26 = 70,553.22/x
  3. Step 3: Cross multiply
    121,529.04x = 167,745.26 × 70,553.22
  4. Step 4: Simplify right side
    121,529.04x = 11,834,968,232.74
  5. Step 5: Solve for x
    x = 11,834,968,232.74/121,529.04
  6. Step 6: Final answer
    x = 97,383.87

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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.