Home / 190,448.04-262,816.61-104,405.45

Finding the Fourth Proportional to 190,448.04, 262,816.61 and 104,405.45

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Solution

The fourth proportional to 190,448.04, 262,816.61 and 104,405.45 is: 144,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,448.04 : 262,816.61 = 104,405.45 : x
  2. Step 2: Convert to fraction form
    190,448.04/262,816.61 = 104,405.45/x
  3. Step 3: Cross multiply
    190,448.04x = 262,816.61 × 104,405.45
  4. Step 4: Simplify right side
    190,448.04x = 27,439,487,156.82
  5. Step 5: Solve for x
    x = 27,439,487,156.82/190,448.04
  6. Step 6: Final answer
    x = 144,078.60

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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.