Home / 160,961.76-241,492.08-76,829.28

Finding the Fourth Proportional to 160,961.76, 241,492.08 and 76,829.28

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Solution

The fourth proportional to 160,961.76, 241,492.08 and 76,829.28 is: 115,267.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,961.76 : 241,492.08 = 76,829.28 : x
  2. Step 2: Convert to fraction form
    160,961.76/241,492.08 = 76,829.28/x
  3. Step 3: Cross multiply
    160,961.76x = 241,492.08 × 76,829.28
  4. Step 4: Simplify right side
    160,961.76x = 18,553,662,632.10
  5. Step 5: Solve for x
    x = 18,553,662,632.10/160,961.76
  6. Step 6: Final answer
    x = 115,267.52

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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.