Home / 163,405.16-245,078.58-43,462.82

Finding the Fourth Proportional to 163,405.16, 245,078.58 and 43,462.82

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Solution

The fourth proportional to 163,405.16, 245,078.58 and 43,462.82 is: 65,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,405.16 : 245,078.58 = 43,462.82 : x
  2. Step 2: Convert to fraction form
    163,405.16/245,078.58 = 43,462.82/x
  3. Step 3: Cross multiply
    163,405.16x = 245,078.58 × 43,462.82
  4. Step 4: Simplify right side
    163,405.16x = 10,651,806,208.40
  5. Step 5: Solve for x
    x = 10,651,806,208.40/163,405.16
  6. Step 6: Final answer
    x = 65,186.47

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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.