Home / 145,878.14-218,817.25-46,046.12

Finding the Fourth Proportional to 145,878.14, 218,817.25 and 46,046.12

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Solution

The fourth proportional to 145,878.14, 218,817.25 and 46,046.12 is: 69,069.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,878.14 : 218,817.25 = 46,046.12 : x
  2. Step 2: Convert to fraction form
    145,878.14/218,817.25 = 46,046.12/x
  3. Step 3: Cross multiply
    145,878.14x = 218,817.25 × 46,046.12
  4. Step 4: Simplify right side
    145,878.14x = 10,075,684,142.37
  5. Step 5: Solve for x
    x = 10,075,684,142.37/145,878.14
  6. Step 6: Final answer
    x = 69,069.18

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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.