Home / 186,271.92-278,055.54-172,394.64

Finding the Fourth Proportional to 186,271.92, 278,055.54 and 172,394.64

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Solution

The fourth proportional to 186,271.92, 278,055.54 and 172,394.64 is: 257,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,271.92 : 278,055.54 = 172,394.64 : x
  2. Step 2: Convert to fraction form
    186,271.92/278,055.54 = 172,394.64/x
  3. Step 3: Cross multiply
    186,271.92x = 278,055.54 × 172,394.64
  4. Step 4: Simplify right side
    186,271.92x = 47,935,284,718.31
  5. Step 5: Solve for x
    x = 47,935,284,718.31/186,271.92
  6. Step 6: Final answer
    x = 257,340.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.