Home / 282,446.25-423,668.99-72,084.18

Finding the Fourth Proportional to 282,446.25, 423,668.99 and 72,084.18

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Solution

The fourth proportional to 282,446.25, 423,668.99 and 72,084.18 is: 108,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,446.25 : 423,668.99 = 72,084.18 : x
  2. Step 2: Convert to fraction form
    282,446.25/423,668.99 = 72,084.18/x
  3. Step 3: Cross multiply
    282,446.25x = 423,668.99 × 72,084.18
  4. Step 4: Simplify right side
    282,446.25x = 30,539,831,375.16
  5. Step 5: Solve for x
    x = 30,539,831,375.16/282,446.25
  6. Step 6: Final answer
    x = 108,126.17

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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.