Home / 190,141.80-262,396.06-122,159.18

Finding the Fourth Proportional to 190,141.80, 262,396.06 and 122,159.18

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Solution

The fourth proportional to 190,141.80, 262,396.06 and 122,159.18 is: 168,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,141.80 : 262,396.06 = 122,159.18 : x
  2. Step 2: Convert to fraction form
    190,141.80/262,396.06 = 122,159.18/x
  3. Step 3: Cross multiply
    190,141.80x = 262,396.06 × 122,159.18
  4. Step 4: Simplify right side
    190,141.80x = 32,054,087,524.83
  5. Step 5: Solve for x
    x = 32,054,087,524.83/190,141.80
  6. Step 6: Final answer
    x = 168,579.91

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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.