Home / 143,104.64-197,482.56-82,675.04

Finding the Fourth Proportional to 143,104.64, 197,482.56 and 82,675.04

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Solution

The fourth proportional to 143,104.64, 197,482.56 and 82,675.04 is: 114,090.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,104.64 : 197,482.56 = 82,675.04 : x
  2. Step 2: Convert to fraction form
    143,104.64/197,482.56 = 82,675.04/x
  3. Step 3: Cross multiply
    143,104.64x = 197,482.56 × 82,675.04
  4. Step 4: Simplify right side
    143,104.64x = 16,326,878,547.30
  5. Step 5: Solve for x
    x = 16,326,878,547.30/143,104.64
  6. Step 6: Final answer
    x = 114,090.49

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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.