Home / 190,285.04-262,593.69-105,400.28

Finding the Fourth Proportional to 190,285.04, 262,593.69 and 105,400.28

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Solution

The fourth proportional to 190,285.04, 262,593.69 and 105,400.28 is: 145,452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,285.04 : 262,593.69 = 105,400.28 : x
  2. Step 2: Convert to fraction form
    190,285.04/262,593.69 = 105,400.28/x
  3. Step 3: Cross multiply
    190,285.04x = 262,593.69 × 105,400.28
  4. Step 4: Simplify right side
    190,285.04x = 27,677,448,452.23
  5. Step 5: Solve for x
    x = 27,677,448,452.23/190,285.04
  6. Step 6: Final answer
    x = 145,452.57

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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.