Home / 190,438.74-262,796.40-109,892.16

Finding the Fourth Proportional to 190,438.74, 262,796.40 and 109,892.16

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Solution

The fourth proportional to 190,438.74, 262,796.40 and 109,892.16 is: 151,645.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,438.74 : 262,796.40 = 109,892.16 : x
  2. Step 2: Convert to fraction form
    190,438.74/262,796.40 = 109,892.16/x
  3. Step 3: Cross multiply
    190,438.74x = 262,796.40 × 109,892.16
  4. Step 4: Simplify right side
    190,438.74x = 28,879,264,036.22
  5. Step 5: Solve for x
    x = 28,879,264,036.22/190,438.74
  6. Step 6: Final answer
    x = 151,645.95

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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.