Home / 140,986.02-194,560.75-76,455.24

Finding the Fourth Proportional to 140,986.02, 194,560.75 and 76,455.24

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Solution

The fourth proportional to 140,986.02, 194,560.75 and 76,455.24 is: 105,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,986.02 : 194,560.75 = 76,455.24 : x
  2. Step 2: Convert to fraction form
    140,986.02/194,560.75 = 76,455.24/x
  3. Step 3: Cross multiply
    140,986.02x = 194,560.75 × 76,455.24
  4. Step 4: Simplify right side
    140,986.02x = 14,875,188,783.77
  5. Step 5: Solve for x
    x = 14,875,188,783.77/140,986.02
  6. Step 6: Final answer
    x = 105,508.25

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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.