Home / 190,539.15-262,925.08-109,992.62

Finding the Fourth Proportional to 190,539.15, 262,925.08 and 109,992.62

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Solution

The fourth proportional to 190,539.15, 262,925.08 and 109,992.62 is: 151,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,539.15 : 262,925.08 = 109,992.62 : x
  2. Step 2: Convert to fraction form
    190,539.15/262,925.08 = 109,992.62/x
  3. Step 3: Cross multiply
    190,539.15x = 262,925.08 × 109,992.62
  4. Step 4: Simplify right side
    190,539.15x = 28,919,818,412.91
  5. Step 5: Solve for x
    x = 28,919,818,412.91/190,539.15
  6. Step 6: Final answer
    x = 151,778.88

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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.