Home / 201,837.84-278,528.94-116,938.50

Finding the Fourth Proportional to 201,837.84, 278,528.94 and 116,938.50

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Solution

The fourth proportional to 201,837.84, 278,528.94 and 116,938.50 is: 161,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,837.84 : 278,528.94 = 116,938.50 : x
  2. Step 2: Convert to fraction form
    201,837.84/278,528.94 = 116,938.50/x
  3. Step 3: Cross multiply
    201,837.84x = 278,528.94 × 116,938.50
  4. Step 4: Simplify right side
    201,837.84x = 32,570,756,450.19
  5. Step 5: Solve for x
    x = 32,570,756,450.19/201,837.84
  6. Step 6: Final answer
    x = 161,370.91

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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.