Home / 109,203.04-150,662.48-66,196.32

Finding the Fourth Proportional to 109,203.04, 150,662.48 and 66,196.32

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Solution

The fourth proportional to 109,203.04, 150,662.48 and 66,196.32 is: 91,328.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,203.04 : 150,662.48 = 66,196.32 : x
  2. Step 2: Convert to fraction form
    109,203.04/150,662.48 = 66,196.32/x
  3. Step 3: Cross multiply
    109,203.04x = 150,662.48 × 66,196.32
  4. Step 4: Simplify right side
    109,203.04x = 9,973,301,738.07
  5. Step 5: Solve for x
    x = 9,973,301,738.07/109,203.04
  6. Step 6: Final answer
    x = 91,328.06

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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.