Home / 190,628.17-285,944.31-57,509.58

Finding the Fourth Proportional to 190,628.17, 285,944.31 and 57,509.58

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Solution

The fourth proportional to 190,628.17, 285,944.31 and 57,509.58 is: 86,265.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,628.17 : 285,944.31 = 57,509.58 : x
  2. Step 2: Convert to fraction form
    190,628.17/285,944.31 = 57,509.58/x
  3. Step 3: Cross multiply
    190,628.17x = 285,944.31 × 57,509.58
  4. Step 4: Simplify right side
    190,628.17x = 16,444,538,459.44
  5. Step 5: Solve for x
    x = 16,444,538,459.44/190,628.17
  6. Step 6: Final answer
    x = 86,265.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.