Home / 249,629.10-374,443.65-220,104.60

Finding the Fourth Proportional to 249,629.10, 374,443.65 and 220,104.60

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Solution

The fourth proportional to 249,629.10, 374,443.65 and 220,104.60 is: 330,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,629.10 : 374,443.65 = 220,104.60 : x
  2. Step 2: Convert to fraction form
    249,629.10/374,443.65 = 220,104.60/x
  3. Step 3: Cross multiply
    249,629.10x = 374,443.65 × 220,104.60
  4. Step 4: Simplify right side
    249,629.10x = 82,416,769,805.79
  5. Step 5: Solve for x
    x = 82,416,769,805.79/249,629.10
  6. Step 6: Final answer
    x = 330,156.90

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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.