Home / 196,388.36-271,017.84-111,507.32

Finding the Fourth Proportional to 196,388.36, 271,017.84 and 111,507.32

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Solution

The fourth proportional to 196,388.36, 271,017.84 and 111,507.32 is: 153,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,388.36 : 271,017.84 = 111,507.32 : x
  2. Step 2: Convert to fraction form
    196,388.36/271,017.84 = 111,507.32/x
  3. Step 3: Cross multiply
    196,388.36x = 271,017.84 × 111,507.32
  4. Step 4: Simplify right side
    196,388.36x = 30,220,473,010.59
  5. Step 5: Solve for x
    x = 30,220,473,010.59/196,388.36
  6. Step 6: Final answer
    x = 153,881.18

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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.