Home / 190,160.94-262,421.64-109,587.77

Finding the Fourth Proportional to 190,160.94, 262,421.64 and 109,587.77

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Solution

The fourth proportional to 190,160.94, 262,421.64 and 109,587.77 is: 151,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,160.94 : 262,421.64 = 109,587.77 : x
  2. Step 2: Convert to fraction form
    190,160.94/262,421.64 = 109,587.77/x
  3. Step 3: Cross multiply
    190,160.94x = 262,421.64 × 109,587.77
  4. Step 4: Simplify right side
    190,160.94x = 28,758,201,015.23
  5. Step 5: Solve for x
    x = 28,758,201,015.23/190,160.94
  6. Step 6: Final answer
    x = 151,230.85

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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.