Home / 104,977.40-157,466.10-103,503.20

Finding the Fourth Proportional to 104,977.40, 157,466.10 and 103,503.20

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Solution

The fourth proportional to 104,977.40, 157,466.10 and 103,503.20 is: 155,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,977.40 : 157,466.10 = 103,503.20 : x
  2. Step 2: Convert to fraction form
    104,977.40/157,466.10 = 103,503.20/x
  3. Step 3: Cross multiply
    104,977.40x = 157,466.10 × 103,503.20
  4. Step 4: Simplify right side
    104,977.40x = 16,298,245,241.52
  5. Step 5: Solve for x
    x = 16,298,245,241.52/104,977.40
  6. Step 6: Final answer
    x = 155,254.80

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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.