Home / 190,409.79-262,763.86-104,373.55

Finding the Fourth Proportional to 190,409.79, 262,763.86 and 104,373.55

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Solution

The fourth proportional to 190,409.79, 262,763.86 and 104,373.55 is: 144,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,409.79 : 262,763.86 = 104,373.55 : x
  2. Step 2: Convert to fraction form
    190,409.79/262,763.86 = 104,373.55/x
  3. Step 3: Cross multiply
    190,409.79x = 262,763.86 × 104,373.55
  4. Step 4: Simplify right side
    190,409.79x = 27,425,596,879.90
  5. Step 5: Solve for x
    x = 27,425,596,879.90/190,409.79
  6. Step 6: Final answer
    x = 144,034.59

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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.