Home / 201,834.81-278,511.11-124,298.13

Finding the Fourth Proportional to 201,834.81, 278,511.11 and 124,298.13

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Solution

The fourth proportional to 201,834.81, 278,511.11 and 124,298.13 is: 171,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,834.81 : 278,511.11 = 124,298.13 : x
  2. Step 2: Convert to fraction form
    201,834.81/278,511.11 = 124,298.13/x
  3. Step 3: Cross multiply
    201,834.81x = 278,511.11 × 124,298.13
  4. Step 4: Simplify right side
    201,834.81x = 34,618,409,535.73
  5. Step 5: Solve for x
    x = 34,618,409,535.73/201,834.81
  6. Step 6: Final answer
    x = 171,518.53

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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.