Home / 181,005.12-248,901.30-157,090.27

Finding the Fourth Proportional to 181,005.12, 248,901.30 and 157,090.27

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Solution

The fourth proportional to 181,005.12, 248,901.30 and 157,090.27 is: 216,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,005.12 : 248,901.30 = 157,090.27 : x
  2. Step 2: Convert to fraction form
    181,005.12/248,901.30 = 157,090.27/x
  3. Step 3: Cross multiply
    181,005.12x = 248,901.30 × 157,090.27
  4. Step 4: Simplify right side
    181,005.12x = 39,099,972,420.35
  5. Step 5: Solve for x
    x = 39,099,972,420.35/181,005.12
  6. Step 6: Final answer
    x = 216,015.84

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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.