Home / 124,432.60-186,692.10-54,333.40

Finding the Fourth Proportional to 124,432.60, 186,692.10 and 54,333.40

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Solution

The fourth proportional to 124,432.60, 186,692.10 and 54,333.40 is: 81,518.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,432.60 : 186,692.10 = 54,333.40 : x
  2. Step 2: Convert to fraction form
    124,432.60/186,692.10 = 54,333.40/x
  3. Step 3: Cross multiply
    124,432.60x = 186,692.10 × 54,333.40
  4. Step 4: Simplify right side
    124,432.60x = 10,143,616,546.14
  5. Step 5: Solve for x
    x = 10,143,616,546.14/124,432.60
  6. Step 6: Final answer
    x = 81,518.96

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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.