Home / 189,533.17-284,133.22-77,307.87

Finding the Fourth Proportional to 189,533.17, 284,133.22 and 77,307.87

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Solution

The fourth proportional to 189,533.17, 284,133.22 and 77,307.87 is: 115,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,533.17 : 284,133.22 = 77,307.87 : x
  2. Step 2: Convert to fraction form
    189,533.17/284,133.22 = 77,307.87/x
  3. Step 3: Cross multiply
    189,533.17x = 284,133.22 × 77,307.87
  4. Step 4: Simplify right side
    189,533.17x = 21,965,733,308.42
  5. Step 5: Solve for x
    x = 21,965,733,308.42/189,533.17
  6. Step 6: Final answer
    x = 115,893.88

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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.