Home / 256,330.51-353,682-148,844.93

Finding the Fourth Proportional to 256,330.51, 353,682 and 148,844.93

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Solution

The fourth proportional to 256,330.51, 353,682 and 148,844.93 is: 205,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,330.51 : 353,682 = 148,844.93 : x
  2. Step 2: Convert to fraction form
    256,330.51/353,682 = 148,844.93/x
  3. Step 3: Cross multiply
    256,330.51x = 353,682 × 148,844.93
  4. Step 4: Simplify right side
    256,330.51x = 52,643,770,763.85
  5. Step 5: Solve for x
    x = 52,643,770,763.85/256,330.51
  6. Step 6: Final answer
    x = 205,374.58

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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.