Home / 258,538.08-356,662.80-151,112.64

Finding the Fourth Proportional to 258,538.08, 356,662.80 and 151,112.64

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Solution

The fourth proportional to 258,538.08, 356,662.80 and 151,112.64 is: 208,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,538.08 : 356,662.80 = 151,112.64 : x
  2. Step 2: Convert to fraction form
    258,538.08/356,662.80 = 151,112.64/x
  3. Step 3: Cross multiply
    258,538.08x = 356,662.80 × 151,112.64
  4. Step 4: Simplify right side
    258,538.08x = 53,896,257,297.79
  5. Step 5: Solve for x
    x = 53,896,257,297.79/258,538.08
  6. Step 6: Final answer
    x = 208,465.45

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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.