Home / 158,015.08-236,987.52-45,670.78

Finding the Fourth Proportional to 158,015.08, 236,987.52 and 45,670.78

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Solution

The fourth proportional to 158,015.08, 236,987.52 and 45,670.78 is: 68,496.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,015.08 : 236,987.52 = 45,670.78 : x
  2. Step 2: Convert to fraction form
    158,015.08/236,987.52 = 45,670.78/x
  3. Step 3: Cross multiply
    158,015.08x = 236,987.52 × 45,670.78
  4. Step 4: Simplify right side
    158,015.08x = 10,823,404,888.67
  5. Step 5: Solve for x
    x = 10,823,404,888.67/158,015.08
  6. Step 6: Final answer
    x = 68,496.03

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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.