Home / 163,825.81-245,834.26-69,050.21

Finding the Fourth Proportional to 163,825.81, 245,834.26 and 69,050.21

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Solution

The fourth proportional to 163,825.81, 245,834.26 and 69,050.21 is: 103,615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,825.81 : 245,834.26 = 69,050.21 : x
  2. Step 2: Convert to fraction form
    163,825.81/245,834.26 = 69,050.21/x
  3. Step 3: Cross multiply
    163,825.81x = 245,834.26 × 69,050.21
  4. Step 4: Simplify right side
    163,825.81x = 16,974,905,876.40
  5. Step 5: Solve for x
    x = 16,974,905,876.40/163,825.81
  6. Step 6: Final answer
    x = 103,615.58

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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.