Home / 145,395.04-218,046.48-46,876

Finding the Fourth Proportional to 145,395.04, 218,046.48 and 46,876

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Solution

The fourth proportional to 145,395.04, 218,046.48 and 46,876 is: 70,299.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,395.04 : 218,046.48 = 46,876 : x
  2. Step 2: Convert to fraction form
    145,395.04/218,046.48 = 46,876/x
  3. Step 3: Cross multiply
    145,395.04x = 218,046.48 × 46,876
  4. Step 4: Simplify right side
    145,395.04x = 10,221,146,796.48
  5. Step 5: Solve for x
    x = 10,221,146,796.48/145,395.04
  6. Step 6: Final answer
    x = 70,299.14

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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.