Home / 125,692.20-188,538.30-55,535.40

Finding the Fourth Proportional to 125,692.20, 188,538.30 and 55,535.40

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Solution

The fourth proportional to 125,692.20, 188,538.30 and 55,535.40 is: 83,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,692.20 : 188,538.30 = 55,535.40 : x
  2. Step 2: Convert to fraction form
    125,692.20/188,538.30 = 55,535.40/x
  3. Step 3: Cross multiply
    125,692.20x = 188,538.30 × 55,535.40
  4. Step 4: Simplify right side
    125,692.20x = 10,470,549,905.82
  5. Step 5: Solve for x
    x = 10,470,549,905.82/125,692.20
  6. Step 6: Final answer
    x = 83,303.10

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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.