Home / 236,783.64-326,766.24-129,360.63

Finding the Fourth Proportional to 236,783.64, 326,766.24 and 129,360.63

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Solution

The fourth proportional to 236,783.64, 326,766.24 and 129,360.63 is: 178,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,783.64 : 326,766.24 = 129,360.63 : x
  2. Step 2: Convert to fraction form
    236,783.64/326,766.24 = 129,360.63/x
  3. Step 3: Cross multiply
    236,783.64x = 326,766.24 × 129,360.63
  4. Step 4: Simplify right side
    236,783.64x = 42,270,686,669.13
  5. Step 5: Solve for x
    x = 42,270,686,669.13/236,783.64
  6. Step 6: Final answer
    x = 178,520.30

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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.