Home / 163,465.52-225,708.38-131,775.88

Finding the Fourth Proportional to 163,465.52, 225,708.38 and 131,775.88

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Solution

The fourth proportional to 163,465.52, 225,708.38 and 131,775.88 is: 181,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,465.52 : 225,708.38 = 131,775.88 : x
  2. Step 2: Convert to fraction form
    163,465.52/225,708.38 = 131,775.88/x
  3. Step 3: Cross multiply
    163,465.52x = 225,708.38 × 131,775.88
  4. Step 4: Simplify right side
    163,465.52x = 29,742,920,397.87
  5. Step 5: Solve for x
    x = 29,742,920,397.87/163,465.52
  6. Step 6: Final answer
    x = 181,952.26

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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.