Home / 257,494.14-355,271.48-154,086.71

Finding the Fourth Proportional to 257,494.14, 355,271.48 and 154,086.71

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Solution

The fourth proportional to 257,494.14, 355,271.48 and 154,086.71 is: 212,597.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,494.14 : 355,271.48 = 154,086.71 : x
  2. Step 2: Convert to fraction form
    257,494.14/355,271.48 = 154,086.71/x
  3. Step 3: Cross multiply
    257,494.14x = 355,271.48 × 154,086.71
  4. Step 4: Simplify right side
    257,494.14x = 54,742,610,963.24
  5. Step 5: Solve for x
    x = 54,742,610,963.24/257,494.14
  6. Step 6: Final answer
    x = 212,597.50

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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.