Home / 163,522.03-245,177.49-78,086.67

Finding the Fourth Proportional to 163,522.03, 245,177.49 and 78,086.67

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Solution

The fourth proportional to 163,522.03, 245,177.49 and 78,086.67 is: 117,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,522.03 : 245,177.49 = 78,086.67 : x
  2. Step 2: Convert to fraction form
    163,522.03/245,177.49 = 78,086.67/x
  3. Step 3: Cross multiply
    163,522.03x = 245,177.49 × 78,086.67
  4. Step 4: Simplify right side
    163,522.03x = 19,145,093,753.06
  5. Step 5: Solve for x
    x = 19,145,093,753.06/163,522.03
  6. Step 6: Final answer
    x = 117,079.60

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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.