Home / 131,474.84-181,518.44-101,203.24

Finding the Fourth Proportional to 131,474.84, 181,518.44 and 101,203.24

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Solution

The fourth proportional to 131,474.84, 181,518.44 and 101,203.24 is: 139,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,474.84 : 181,518.44 = 101,203.24 : x
  2. Step 2: Convert to fraction form
    131,474.84/181,518.44 = 101,203.24/x
  3. Step 3: Cross multiply
    131,474.84x = 181,518.44 × 101,203.24
  4. Step 4: Simplify right side
    131,474.84x = 18,370,254,247.75
  5. Step 5: Solve for x
    x = 18,370,254,247.75/131,474.84
  6. Step 6: Final answer
    x = 139,724.48

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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.