Home / 121,110.53-167,130.27-67,395.04

Finding the Fourth Proportional to 121,110.53, 167,130.27 and 67,395.04

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Solution

The fourth proportional to 121,110.53, 167,130.27 and 67,395.04 is: 93,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,110.53 : 167,130.27 = 67,395.04 : x
  2. Step 2: Convert to fraction form
    121,110.53/167,130.27 = 67,395.04/x
  3. Step 3: Cross multiply
    121,110.53x = 167,130.27 × 67,395.04
  4. Step 4: Simplify right side
    121,110.53x = 11,263,750,814.04
  5. Step 5: Solve for x
    x = 11,263,750,814.04/121,110.53
  6. Step 6: Final answer
    x = 93,003.90

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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.