Home / 161,830.78-242,693.69-61,985.66

Finding the Fourth Proportional to 161,830.78, 242,693.69 and 61,985.66

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Solution

The fourth proportional to 161,830.78, 242,693.69 and 61,985.66 is: 92,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,830.78 : 242,693.69 = 61,985.66 : x
  2. Step 2: Convert to fraction form
    161,830.78/242,693.69 = 61,985.66/x
  3. Step 3: Cross multiply
    161,830.78x = 242,693.69 × 61,985.66
  4. Step 4: Simplify right side
    161,830.78x = 15,043,528,552.49
  5. Step 5: Solve for x
    x = 15,043,528,552.49/161,830.78
  6. Step 6: Final answer
    x = 92,958.39

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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.