Home / 282,022.60-423,028.14-115,812.04

Finding the Fourth Proportional to 282,022.60, 423,028.14 and 115,812.04

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Solution

The fourth proportional to 282,022.60, 423,028.14 and 115,812.04 is: 173,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,022.60 : 423,028.14 = 115,812.04 : x
  2. Step 2: Convert to fraction form
    282,022.60/423,028.14 = 115,812.04/x
  3. Step 3: Cross multiply
    282,022.60x = 423,028.14 × 115,812.04
  4. Step 4: Simplify right side
    282,022.60x = 48,991,751,870.81
  5. Step 5: Solve for x
    x = 48,991,751,870.81/282,022.60
  6. Step 6: Final answer
    x = 173,715.69

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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.