Home / 163,399.32-245,308.88-125,983.16

Finding the Fourth Proportional to 163,399.32, 245,308.88 and 125,983.16

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Solution

The fourth proportional to 163,399.32, 245,308.88 and 125,983.16 is: 189,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,399.32 : 245,308.88 = 125,983.16 : x
  2. Step 2: Convert to fraction form
    163,399.32/245,308.88 = 125,983.16/x
  3. Step 3: Cross multiply
    163,399.32x = 245,308.88 × 125,983.16
  4. Step 4: Simplify right side
    163,399.32x = 30,904,787,878.46
  5. Step 5: Solve for x
    x = 30,904,787,878.46/163,399.32
  6. Step 6: Final answer
    x = 189,136.58

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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.