Home / 124,908.36-172,444.86-82,589.64

Finding the Fourth Proportional to 124,908.36, 172,444.86 and 82,589.64

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Solution

The fourth proportional to 124,908.36, 172,444.86 and 82,589.64 is: 114,020.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,908.36 : 172,444.86 = 82,589.64 : x
  2. Step 2: Convert to fraction form
    124,908.36/172,444.86 = 82,589.64/x
  3. Step 3: Cross multiply
    124,908.36x = 172,444.86 × 82,589.64
  4. Step 4: Simplify right side
    124,908.36x = 14,242,158,907.25
  5. Step 5: Solve for x
    x = 14,242,158,907.25/124,908.36
  6. Step 6: Final answer
    x = 114,020.86

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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.