Home / 134,021.03-184,825.55-91,064.84

Finding the Fourth Proportional to 134,021.03, 184,825.55 and 91,064.84

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Solution

The fourth proportional to 134,021.03, 184,825.55 and 91,064.84 is: 125,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,021.03 : 184,825.55 = 91,064.84 : x
  2. Step 2: Convert to fraction form
    134,021.03/184,825.55 = 91,064.84/x
  3. Step 3: Cross multiply
    134,021.03x = 184,825.55 × 91,064.84
  4. Step 4: Simplify right side
    134,021.03x = 16,831,108,683.34
  5. Step 5: Solve for x
    x = 16,831,108,683.34/134,021.03
  6. Step 6: Final answer
    x = 125,585.58

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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.