Home / 188,897.40-283,346.10-109,071.90

Finding the Fourth Proportional to 188,897.40, 283,346.10 and 109,071.90

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Solution

The fourth proportional to 188,897.40, 283,346.10 and 109,071.90 is: 163,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,897.40 : 283,346.10 = 109,071.90 : x
  2. Step 2: Convert to fraction form
    188,897.40/283,346.10 = 109,071.90/x
  3. Step 3: Cross multiply
    188,897.40x = 283,346.10 × 109,071.90
  4. Step 4: Simplify right side
    188,897.40x = 30,905,097,484.59
  5. Step 5: Solve for x
    x = 30,905,097,484.59/188,897.40
  6. Step 6: Final answer
    x = 163,607.85

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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.