Home / 190,574.82-262,777.86-121,572.24

Finding the Fourth Proportional to 190,574.82, 262,777.86 and 121,572.24

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Solution

The fourth proportional to 190,574.82, 262,777.86 and 121,572.24 is: 167,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,574.82 : 262,777.86 = 121,572.24 : x
  2. Step 2: Convert to fraction form
    190,574.82/262,777.86 = 121,572.24/x
  3. Step 3: Cross multiply
    190,574.82x = 262,777.86 × 121,572.24
  4. Step 4: Simplify right side
    190,574.82x = 31,946,493,062.61
  5. Step 5: Solve for x
    x = 31,946,493,062.61/190,574.82
  6. Step 6: Final answer
    x = 167,632.29

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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.