Home / 161,531.67-242,314.08-61,775.76

Finding the Fourth Proportional to 161,531.67, 242,314.08 and 61,775.76

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Solution

The fourth proportional to 161,531.67, 242,314.08 and 61,775.76 is: 92,669.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,531.67 : 242,314.08 = 61,775.76 : x
  2. Step 2: Convert to fraction form
    161,531.67/242,314.08 = 61,775.76/x
  3. Step 3: Cross multiply
    161,531.67x = 242,314.08 × 61,775.76
  4. Step 4: Simplify right side
    161,531.67x = 14,969,137,084.28
  5. Step 5: Solve for x
    x = 14,969,137,084.28/161,531.67
  6. Step 6: Final answer
    x = 92,669.98

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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.