Home / 190,403.13-262,756.32-105,525.66

Finding the Fourth Proportional to 190,403.13, 262,756.32 and 105,525.66

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Solution

The fourth proportional to 190,403.13, 262,756.32 and 105,525.66 is: 145,625.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,403.13 : 262,756.32 = 105,525.66 : x
  2. Step 2: Convert to fraction form
    190,403.13/262,756.32 = 105,525.66/x
  3. Step 3: Cross multiply
    190,403.13x = 262,756.32 × 105,525.66
  4. Step 4: Simplify right side
    190,403.13x = 27,727,534,087.17
  5. Step 5: Solve for x
    x = 27,727,534,087.17/190,403.13
  6. Step 6: Final answer
    x = 145,625.41

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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.