Home / 153,951.18-230,893.76-89,866.64

Finding the Fourth Proportional to 153,951.18, 230,893.76 and 89,866.64

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Solution

The fourth proportional to 153,951.18, 230,893.76 and 89,866.64 is: 134,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,951.18 : 230,893.76 = 89,866.64 : x
  2. Step 2: Convert to fraction form
    153,951.18/230,893.76 = 89,866.64/x
  3. Step 3: Cross multiply
    153,951.18x = 230,893.76 × 89,866.64
  4. Step 4: Simplify right side
    153,951.18x = 20,749,646,408.17
  5. Step 5: Solve for x
    x = 20,749,646,408.17/153,951.18
  6. Step 6: Final answer
    x = 134,780.69

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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.