Home / 226,346.55-312,358.16-124,378.58

Finding the Fourth Proportional to 226,346.55, 312,358.16 and 124,378.58

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Solution

The fourth proportional to 226,346.55, 312,358.16 and 124,378.58 is: 171,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,346.55 : 312,358.16 = 124,378.58 : x
  2. Step 2: Convert to fraction form
    226,346.55/312,358.16 = 124,378.58/x
  3. Step 3: Cross multiply
    226,346.55x = 312,358.16 × 124,378.58
  4. Step 4: Simplify right side
    226,346.55x = 38,850,662,830.42
  5. Step 5: Solve for x
    x = 38,850,662,830.42/226,346.55
  6. Step 6: Final answer
    x = 171,642.39

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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.