Home / 236,314.32-326,105.64-140,771.40

Finding the Fourth Proportional to 236,314.32, 326,105.64 and 140,771.40

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Solution

The fourth proportional to 236,314.32, 326,105.64 and 140,771.40 is: 194,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,314.32 : 326,105.64 = 140,771.40 : x
  2. Step 2: Convert to fraction form
    236,314.32/326,105.64 = 140,771.40/x
  3. Step 3: Cross multiply
    236,314.32x = 326,105.64 × 140,771.40
  4. Step 4: Simplify right side
    236,314.32x = 45,906,347,490.70
  5. Step 5: Solve for x
    x = 45,906,347,490.70/236,314.32
  6. Step 6: Final answer
    x = 194,259.69

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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.