Home / 262,594.20-393,632.10-129,365.40

Finding the Fourth Proportional to 262,594.20, 393,632.10 and 129,365.40

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Solution

The fourth proportional to 262,594.20, 393,632.10 and 129,365.40 is: 193,920.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,594.20 : 393,632.10 = 129,365.40 : x
  2. Step 2: Convert to fraction form
    262,594.20/393,632.10 = 129,365.40/x
  3. Step 3: Cross multiply
    262,594.20x = 393,632.10 × 129,365.40
  4. Step 4: Simplify right side
    262,594.20x = 50,922,374,069.34
  5. Step 5: Solve for x
    x = 50,922,374,069.34/262,594.20
  6. Step 6: Final answer
    x = 193,920.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.