Home / 190,152.20-262,468.40-109,633.47

Finding the Fourth Proportional to 190,152.20, 262,468.40 and 109,633.47

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Solution

The fourth proportional to 190,152.20, 262,468.40 and 109,633.47 is: 151,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,152.20 : 262,468.40 = 109,633.47 : x
  2. Step 2: Convert to fraction form
    190,152.20/262,468.40 = 109,633.47/x
  3. Step 3: Cross multiply
    190,152.20x = 262,468.40 × 109,633.47
  4. Step 4: Simplify right side
    190,152.20x = 28,775,320,909.18
  5. Step 5: Solve for x
    x = 28,775,320,909.18/190,152.20
  6. Step 6: Final answer
    x = 151,327.84

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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.