Home / 286,523.86-395,403.02-159,199.46

Finding the Fourth Proportional to 286,523.86, 395,403.02 and 159,199.46

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Solution

The fourth proportional to 286,523.86, 395,403.02 and 159,199.46 is: 219,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,523.86 : 395,403.02 = 159,199.46 : x
  2. Step 2: Convert to fraction form
    286,523.86/395,403.02 = 159,199.46/x
  3. Step 3: Cross multiply
    286,523.86x = 395,403.02 × 159,199.46
  4. Step 4: Simplify right side
    286,523.86x = 62,947,947,266.37
  5. Step 5: Solve for x
    x = 62,947,947,266.37/286,523.86
  6. Step 6: Final answer
    x = 219,695.31

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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.