Home / 103,205.20-154,692.60-58,853.20

Finding the Fourth Proportional to 103,205.20, 154,692.60 and 58,853.20

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Solution

The fourth proportional to 103,205.20, 154,692.60 and 58,853.20 is: 88,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,205.20 : 154,692.60 = 58,853.20 : x
  2. Step 2: Convert to fraction form
    103,205.20/154,692.60 = 58,853.20/x
  3. Step 3: Cross multiply
    103,205.20x = 154,692.60 × 58,853.20
  4. Step 4: Simplify right side
    103,205.20x = 9,104,154,526.32
  5. Step 5: Solve for x
    x = 9,104,154,526.32/103,205.20
  6. Step 6: Final answer
    x = 88,214.11

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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.