Home / 158,907.24-219,388.32-105,238.26

Finding the Fourth Proportional to 158,907.24, 219,388.32 and 105,238.26

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Solution

The fourth proportional to 158,907.24, 219,388.32 and 105,238.26 is: 145,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,907.24 : 219,388.32 = 105,238.26 : x
  2. Step 2: Convert to fraction form
    158,907.24/219,388.32 = 105,238.26/x
  3. Step 3: Cross multiply
    158,907.24x = 219,388.32 × 105,238.26
  4. Step 4: Simplify right side
    158,907.24x = 23,088,045,061.12
  5. Step 5: Solve for x
    x = 23,088,045,061.12/158,907.24
  6. Step 6: Final answer
    x = 145,292.59

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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.