Home / 189,499.36-283,938-64,772.32

Finding the Fourth Proportional to 189,499.36, 283,938 and 64,772.32

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Solution

The fourth proportional to 189,499.36, 283,938 and 64,772.32 is: 97,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,499.36 : 283,938 = 64,772.32 : x
  2. Step 2: Convert to fraction form
    189,499.36/283,938 = 64,772.32/x
  3. Step 3: Cross multiply
    189,499.36x = 283,938 × 64,772.32
  4. Step 4: Simplify right side
    189,499.36x = 18,391,322,996.16
  5. Step 5: Solve for x
    x = 18,391,322,996.16/189,499.36
  6. Step 6: Final answer
    x = 97,052.16

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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.