Home / 189,495.36-283,932-64,768.32

Finding the Fourth Proportional to 189,495.36, 283,932 and 64,768.32

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Solution

The fourth proportional to 189,495.36, 283,932 and 64,768.32 is: 97,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,495.36 : 283,932 = 64,768.32 : x
  2. Step 2: Convert to fraction form
    189,495.36/283,932 = 64,768.32/x
  3. Step 3: Cross multiply
    189,495.36x = 283,932 × 64,768.32
  4. Step 4: Simplify right side
    189,495.36x = 18,389,798,634.24
  5. Step 5: Solve for x
    x = 18,389,798,634.24/189,495.36
  6. Step 6: Final answer
    x = 97,046.17

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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.