Home / 155,907.87-215,154.84-94,636.35

Finding the Fourth Proportional to 155,907.87, 215,154.84 and 94,636.35

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Solution

The fourth proportional to 155,907.87, 215,154.84 and 94,636.35 is: 130,599.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,907.87 : 215,154.84 = 94,636.35 : x
  2. Step 2: Convert to fraction form
    155,907.87/215,154.84 = 94,636.35/x
  3. Step 3: Cross multiply
    155,907.87x = 215,154.84 × 94,636.35
  4. Step 4: Simplify right side
    155,907.87x = 20,361,468,742.43
  5. Step 5: Solve for x
    x = 20,361,468,742.43/155,907.87
  6. Step 6: Final answer
    x = 130,599.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.