Home / 153,667.56-230,529.24-74,781.84

Finding the Fourth Proportional to 153,667.56, 230,529.24 and 74,781.84

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Solution

The fourth proportional to 153,667.56, 230,529.24 and 74,781.84 is: 112,186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,667.56 : 230,529.24 = 74,781.84 : x
  2. Step 2: Convert to fraction form
    153,667.56/230,529.24 = 74,781.84/x
  3. Step 3: Cross multiply
    153,667.56x = 230,529.24 × 74,781.84
  4. Step 4: Simplify right side
    153,667.56x = 17,239,400,741.00
  5. Step 5: Solve for x
    x = 17,239,400,741.00/153,667.56
  6. Step 6: Final answer
    x = 112,186.34

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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.