Home / 163,037.81-224,915.64-115,317.47

Finding the Fourth Proportional to 163,037.81, 224,915.64 and 115,317.47

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Solution

The fourth proportional to 163,037.81, 224,915.64 and 115,317.47 is: 159,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,037.81 : 224,915.64 = 115,317.47 : x
  2. Step 2: Convert to fraction form
    163,037.81/224,915.64 = 115,317.47/x
  3. Step 3: Cross multiply
    163,037.81x = 224,915.64 × 115,317.47
  4. Step 4: Simplify right side
    163,037.81x = 25,936,702,698.08
  5. Step 5: Solve for x
    x = 25,936,702,698.08/163,037.81
  6. Step 6: Final answer
    x = 159,083.97

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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.