Home / 190,052.40-262,297.20-109,467.12

Finding the Fourth Proportional to 190,052.40, 262,297.20 and 109,467.12

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Solution

The fourth proportional to 190,052.40, 262,297.20 and 109,467.12 is: 151,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,052.40 : 262,297.20 = 109,467.12 : x
  2. Step 2: Convert to fraction form
    190,052.40/262,297.20 = 109,467.12/x
  3. Step 3: Cross multiply
    190,052.40x = 262,297.20 × 109,467.12
  4. Step 4: Simplify right side
    190,052.40x = 28,712,919,068.06
  5. Step 5: Solve for x
    x = 28,712,919,068.06/190,052.40
  6. Step 6: Final answer
    x = 151,078.96

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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.