Home / 262,894.20-393,434.10-157,788.60

Finding the Fourth Proportional to 262,894.20, 393,434.10 and 157,788.60

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Solution

The fourth proportional to 262,894.20, 393,434.10 and 157,788.60 is: 236,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,894.20 : 393,434.10 = 157,788.60 : x
  2. Step 2: Convert to fraction form
    262,894.20/393,434.10 = 157,788.60/x
  3. Step 3: Cross multiply
    262,894.20x = 393,434.10 × 157,788.60
  4. Step 4: Simplify right side
    262,894.20x = 62,079,415,831.26
  5. Step 5: Solve for x
    x = 62,079,415,831.26/262,894.20
  6. Step 6: Final answer
    x = 236,138.40

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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.