Home / 463,845.60-695,768.40-148,312.80

Finding the Fourth Proportional to 463,845.60, 695,768.40 and 148,312.80

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Solution

The fourth proportional to 463,845.60, 695,768.40 and 148,312.80 is: 222,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,845.60 : 695,768.40 = 148,312.80 : x
  2. Step 2: Convert to fraction form
    463,845.60/695,768.40 = 148,312.80/x
  3. Step 3: Cross multiply
    463,845.60x = 695,768.40 × 148,312.80
  4. Step 4: Simplify right side
    463,845.60x = 103,191,359,555.52
  5. Step 5: Solve for x
    x = 103,191,359,555.52/463,845.60
  6. Step 6: Final answer
    x = 222,469.20

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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.