Home / 133,849.80-184,837.68-86,186.16

Finding the Fourth Proportional to 133,849.80, 184,837.68 and 86,186.16

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Solution

The fourth proportional to 133,849.80, 184,837.68 and 86,186.16 is: 119,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,849.80 : 184,837.68 = 86,186.16 : x
  2. Step 2: Convert to fraction form
    133,849.80/184,837.68 = 86,186.16/x
  3. Step 3: Cross multiply
    133,849.80x = 184,837.68 × 86,186.16
  4. Step 4: Simplify right side
    133,849.80x = 15,930,449,862.51
  5. Step 5: Solve for x
    x = 15,930,449,862.51/133,849.80
  6. Step 6: Final answer
    x = 119,017.36

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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.