Home / 173,000.36-238,699.75-105,015.65

Finding the Fourth Proportional to 173,000.36, 238,699.75 and 105,015.65

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Solution

The fourth proportional to 173,000.36, 238,699.75 and 105,015.65 is: 144,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,000.36 : 238,699.75 = 105,015.65 : x
  2. Step 2: Convert to fraction form
    173,000.36/238,699.75 = 105,015.65/x
  3. Step 3: Cross multiply
    173,000.36x = 238,699.75 × 105,015.65
  4. Step 4: Simplify right side
    173,000.36x = 25,067,209,401.09
  5. Step 5: Solve for x
    x = 25,067,209,401.09/173,000.36
  6. Step 6: Final answer
    x = 144,896.86

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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.