Home / 212,985.57-293,918.45-117,496.29

Finding the Fourth Proportional to 212,985.57, 293,918.45 and 117,496.29

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Solution

The fourth proportional to 212,985.57, 293,918.45 and 117,496.29 is: 162,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,985.57 : 293,918.45 = 117,496.29 : x
  2. Step 2: Convert to fraction form
    212,985.57/293,918.45 = 117,496.29/x
  3. Step 3: Cross multiply
    212,985.57x = 293,918.45 × 117,496.29
  4. Step 4: Simplify right side
    212,985.57x = 34,534,326,850.07
  5. Step 5: Solve for x
    x = 34,534,326,850.07/212,985.57
  6. Step 6: Final answer
    x = 162,143.97

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1.5x scale

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.