Home / 236,703.32-326,652.72-129,274.64

Finding the Fourth Proportional to 236,703.32, 326,652.72 and 129,274.64

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Solution

The fourth proportional to 236,703.32, 326,652.72 and 129,274.64 is: 178,400.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,703.32 : 326,652.72 = 129,274.64 : x
  2. Step 2: Convert to fraction form
    236,703.32/326,652.72 = 129,274.64/x
  3. Step 3: Cross multiply
    236,703.32x = 326,652.72 × 129,274.64
  4. Step 4: Simplify right side
    236,703.32x = 42,227,912,783.02
  5. Step 5: Solve for x
    x = 42,227,912,783.02/236,703.32
  6. Step 6: Final answer
    x = 178,400.17

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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.