Home / 212,934.14-293,774.90-136,495.38

Finding the Fourth Proportional to 212,934.14, 293,774.90 and 136,495.38

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Solution

The fourth proportional to 212,934.14, 293,774.90 and 136,495.38 is: 188,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,934.14 : 293,774.90 = 136,495.38 : x
  2. Step 2: Convert to fraction form
    212,934.14/293,774.90 = 136,495.38/x
  3. Step 3: Cross multiply
    212,934.14x = 293,774.90 × 136,495.38
  4. Step 4: Simplify right side
    212,934.14x = 40,098,916,609.96
  5. Step 5: Solve for x
    x = 40,098,916,609.96/212,934.14
  6. Step 6: Final answer
    x = 188,316.05

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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.