Home / 357,965.91-493,994.81-196,831.33

Finding the Fourth Proportional to 357,965.91, 493,994.81 and 196,831.33

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Solution

The fourth proportional to 357,965.91, 493,994.81 and 196,831.33 is: 271,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,965.91 : 493,994.81 = 196,831.33 : x
  2. Step 2: Convert to fraction form
    357,965.91/493,994.81 = 196,831.33/x
  3. Step 3: Cross multiply
    357,965.91x = 493,994.81 × 196,831.33
  4. Step 4: Simplify right side
    357,965.91x = 97,233,655,465.40
  5. Step 5: Solve for x
    x = 97,233,655,465.40/357,965.91
  6. Step 6: Final answer
    x = 271,628.25

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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.