Home / 190,101.28-262,368.48-109,540.72

Finding the Fourth Proportional to 190,101.28, 262,368.48 and 109,540.72

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Solution

The fourth proportional to 190,101.28, 262,368.48 and 109,540.72 is: 151,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,101.28 : 262,368.48 = 109,540.72 : x
  2. Step 2: Convert to fraction form
    190,101.28/262,368.48 = 109,540.72/x
  3. Step 3: Cross multiply
    190,101.28x = 262,368.48 × 109,540.72
  4. Step 4: Simplify right side
    190,101.28x = 28,740,032,204.51
  5. Step 5: Solve for x
    x = 28,740,032,204.51/190,101.28
  6. Step 6: Final answer
    x = 151,182.74

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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.