Home / 226,214.39-312,282.26-130,702.63

Finding the Fourth Proportional to 226,214.39, 312,282.26 and 130,702.63

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Solution

The fourth proportional to 226,214.39, 312,282.26 and 130,702.63 is: 180,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,214.39 : 312,282.26 = 130,702.63 : x
  2. Step 2: Convert to fraction form
    226,214.39/312,282.26 = 130,702.63/x
  3. Step 3: Cross multiply
    226,214.39x = 312,282.26 × 130,702.63
  4. Step 4: Simplify right side
    226,214.39x = 40,816,112,684.34
  5. Step 5: Solve for x
    x = 40,816,112,684.34/226,214.39
  6. Step 6: Final answer
    x = 180,431.11

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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.