Home / 367,638.10-551,457.15-157,297.30

Finding the Fourth Proportional to 367,638.10, 551,457.15 and 157,297.30

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Solution

The fourth proportional to 367,638.10, 551,457.15 and 157,297.30 is: 235,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,638.10 : 551,457.15 = 157,297.30 : x
  2. Step 2: Convert to fraction form
    367,638.10/551,457.15 = 157,297.30/x
  3. Step 3: Cross multiply
    367,638.10x = 551,457.15 × 157,297.30
  4. Step 4: Simplify right side
    367,638.10x = 86,742,720,760.70
  5. Step 5: Solve for x
    x = 86,742,720,760.70/367,638.10
  6. Step 6: Final answer
    x = 235,945.95

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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.