Home / 190,031.94-262,240.74-109,459.08

Finding the Fourth Proportional to 190,031.94, 262,240.74 and 109,459.08

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Solution

The fourth proportional to 190,031.94, 262,240.74 and 109,459.08 is: 151,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,031.94 : 262,240.74 = 109,459.08 : x
  2. Step 2: Convert to fraction form
    190,031.94/262,240.74 = 109,459.08/x
  3. Step 3: Cross multiply
    190,031.94x = 262,240.74 × 109,459.08
  4. Step 4: Simplify right side
    190,031.94x = 28,704,630,138.92
  5. Step 5: Solve for x
    x = 28,704,630,138.92/190,031.94
  6. Step 6: Final answer
    x = 151,051.61

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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.