Home / 121,179.94-167,185.03-70,164.82

Finding the Fourth Proportional to 121,179.94, 167,185.03 and 70,164.82

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Solution

The fourth proportional to 121,179.94, 167,185.03 and 70,164.82 is: 96,802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,179.94 : 167,185.03 = 70,164.82 : x
  2. Step 2: Convert to fraction form
    121,179.94/167,185.03 = 70,164.82/x
  3. Step 3: Cross multiply
    121,179.94x = 167,185.03 × 70,164.82
  4. Step 4: Simplify right side
    121,179.94x = 11,730,507,347.70
  5. Step 5: Solve for x
    x = 11,730,507,347.70/121,179.94
  6. Step 6: Final answer
    x = 96,802.39

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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.