Home / 109,102.16-163,653.43-34,228.21

Finding the Fourth Proportional to 109,102.16, 163,653.43 and 34,228.21

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Solution

The fourth proportional to 109,102.16, 163,653.43 and 34,228.21 is: 51,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,102.16 : 163,653.43 = 34,228.21 : x
  2. Step 2: Convert to fraction form
    109,102.16/163,653.43 = 34,228.21/x
  3. Step 3: Cross multiply
    109,102.16x = 163,653.43 × 34,228.21
  4. Step 4: Simplify right side
    109,102.16x = 5,601,563,969.26
  5. Step 5: Solve for x
    x = 5,601,563,969.26/109,102.16
  6. Step 6: Final answer
    x = 51,342.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.