Home / 163,750.80-245,626.18-45,422.14

Finding the Fourth Proportional to 163,750.80, 245,626.18 and 45,422.14

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Solution

The fourth proportional to 163,750.80, 245,626.18 and 45,422.14 is: 68,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,750.80 : 245,626.18 = 45,422.14 : x
  2. Step 2: Convert to fraction form
    163,750.80/245,626.18 = 45,422.14/x
  3. Step 3: Cross multiply
    163,750.80x = 245,626.18 × 45,422.14
  4. Step 4: Simplify right side
    163,750.80x = 11,156,866,735.63
  5. Step 5: Solve for x
    x = 11,156,866,735.63/163,750.80
  6. Step 6: Final answer
    x = 68,133.20

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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.