Home / 188,931.88-283,496.64-122,354.74

Finding the Fourth Proportional to 188,931.88, 283,496.64 and 122,354.74

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Solution

The fourth proportional to 188,931.88, 283,496.64 and 122,354.74 is: 183,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,931.88 : 283,496.64 = 122,354.74 : x
  2. Step 2: Convert to fraction form
    188,931.88/283,496.64 = 122,354.74/x
  3. Step 3: Cross multiply
    188,931.88x = 283,496.64 × 122,354.74
  4. Step 4: Simplify right side
    188,931.88x = 34,687,157,678.07
  5. Step 5: Solve for x
    x = 34,687,157,678.07/188,931.88
  6. Step 6: Final answer
    x = 183,596.11

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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.