Home / 189,055.16-283,700.98-76,735.38

Finding the Fourth Proportional to 189,055.16, 283,700.98 and 76,735.38

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Solution

The fourth proportional to 189,055.16, 283,700.98 and 76,735.38 is: 115,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,055.16 : 283,700.98 = 76,735.38 : x
  2. Step 2: Convert to fraction form
    189,055.16/283,700.98 = 76,735.38/x
  3. Step 3: Cross multiply
    189,055.16x = 283,700.98 × 76,735.38
  4. Step 4: Simplify right side
    189,055.16x = 21,769,902,506.67
  5. Step 5: Solve for x
    x = 21,769,902,506.67/189,055.16
  6. Step 6: Final answer
    x = 115,151.06

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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.