Home / 190,432.74-262,788.12-109,886.16

Finding the Fourth Proportional to 190,432.74, 262,788.12 and 109,886.16

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Solution

The fourth proportional to 190,432.74, 262,788.12 and 109,886.16 is: 151,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,432.74 : 262,788.12 = 109,886.16 : x
  2. Step 2: Convert to fraction form
    190,432.74/262,788.12 = 109,886.16/x
  3. Step 3: Cross multiply
    190,432.74x = 262,788.12 × 109,886.16
  4. Step 4: Simplify right side
    190,432.74x = 28,876,777,400.42
  5. Step 5: Solve for x
    x = 28,876,777,400.42/190,432.74
  6. Step 6: Final answer
    x = 151,637.67

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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.