Home / 186,974.76-257,897.22-111,465

Finding the Fourth Proportional to 186,974.76, 257,897.22 and 111,465

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Solution

The fourth proportional to 186,974.76, 257,897.22 and 111,465 is: 153,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,974.76 : 257,897.22 = 111,465 : x
  2. Step 2: Convert to fraction form
    186,974.76/257,897.22 = 111,465/x
  3. Step 3: Cross multiply
    186,974.76x = 257,897.22 × 111,465
  4. Step 4: Simplify right side
    186,974.76x = 28,746,513,627.30
  5. Step 5: Solve for x
    x = 28,746,513,627.30/186,974.76
  6. Step 6: Final answer
    x = 153,745.42

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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.