Home / 263,512.19-363,646.93-142,653.47

Finding the Fourth Proportional to 263,512.19, 363,646.93 and 142,653.47

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Solution

The fourth proportional to 263,512.19, 363,646.93 and 142,653.47 is: 196,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,512.19 : 363,646.93 = 142,653.47 : x
  2. Step 2: Convert to fraction form
    263,512.19/363,646.93 = 142,653.47/x
  3. Step 3: Cross multiply
    263,512.19x = 363,646.93 × 142,653.47
  4. Step 4: Simplify right side
    263,512.19x = 51,875,496,419.35
  5. Step 5: Solve for x
    x = 51,875,496,419.35/263,512.19
  6. Step 6: Final answer
    x = 196,861.85

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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.