Home / 145,162.08-217,783.44-82,876.32

Finding the Fourth Proportional to 145,162.08, 217,783.44 and 82,876.32

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Solution

The fourth proportional to 145,162.08, 217,783.44 and 82,876.32 is: 124,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,162.08 : 217,783.44 = 82,876.32 : x
  2. Step 2: Convert to fraction form
    145,162.08/217,783.44 = 82,876.32/x
  3. Step 3: Cross multiply
    145,162.08x = 217,783.44 × 82,876.32
  4. Step 4: Simplify right side
    145,162.08x = 18,049,090,064.14
  5. Step 5: Solve for x
    x = 18,049,090,064.14/145,162.08
  6. Step 6: Final answer
    x = 124,337.50

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1.5x scale

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.