Home / 163,655.10-245,604.33-121,633.02

Finding the Fourth Proportional to 163,655.10, 245,604.33 and 121,633.02

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Solution

The fourth proportional to 163,655.10, 245,604.33 and 121,633.02 is: 182,539.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,655.10 : 245,604.33 = 121,633.02 : x
  2. Step 2: Convert to fraction form
    163,655.10/245,604.33 = 121,633.02/x
  3. Step 3: Cross multiply
    163,655.10x = 245,604.33 × 121,633.02
  4. Step 4: Simplify right side
    163,655.10x = 29,873,596,382.98
  5. Step 5: Solve for x
    x = 29,873,596,382.98/163,655.10
  6. Step 6: Final answer
    x = 182,539.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.