Home / 163,765.49-245,254.58-93,431.57

Finding the Fourth Proportional to 163,765.49, 245,254.58 and 93,431.57

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Solution

The fourth proportional to 163,765.49, 245,254.58 and 93,431.57 is: 139,922.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,765.49 : 245,254.58 = 93,431.57 : x
  2. Step 2: Convert to fraction form
    163,765.49/245,254.58 = 93,431.57/x
  3. Step 3: Cross multiply
    163,765.49x = 245,254.58 × 93,431.57
  4. Step 4: Simplify right side
    163,765.49x = 22,914,519,991.93
  5. Step 5: Solve for x
    x = 22,914,519,991.93/163,765.49
  6. Step 6: Final answer
    x = 139,922.76

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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.