Home / 125,639.40-188,482.18-41,404.52

Finding the Fourth Proportional to 125,639.40, 188,482.18 and 41,404.52

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Solution

The fourth proportional to 125,639.40, 188,482.18 and 41,404.52 is: 62,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,639.40 : 188,482.18 = 41,404.52 : x
  2. Step 2: Convert to fraction form
    125,639.40/188,482.18 = 41,404.52/x
  3. Step 3: Cross multiply
    125,639.40x = 188,482.18 × 41,404.52
  4. Step 4: Simplify right side
    125,639.40x = 7,804,014,191.45
  5. Step 5: Solve for x
    x = 7,804,014,191.45/125,639.40
  6. Step 6: Final answer
    x = 62,114.39

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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.