Home / 256,054.39-353,521.50-229,150.64

Finding the Fourth Proportional to 256,054.39, 353,521.50 and 229,150.64

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Solution

The fourth proportional to 256,054.39, 353,521.50 and 229,150.64 is: 316,376.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,054.39 : 353,521.50 = 229,150.64 : x
  2. Step 2: Convert to fraction form
    256,054.39/353,521.50 = 229,150.64/x
  3. Step 3: Cross multiply
    256,054.39x = 353,521.50 × 229,150.64
  4. Step 4: Simplify right side
    256,054.39x = 81,009,676,833.01
  5. Step 5: Solve for x
    x = 81,009,676,833.01/256,054.39
  6. Step 6: Final answer
    x = 316,376.84

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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.