Home / 226,081.60-312,007.36-130,592.32

Finding the Fourth Proportional to 226,081.60, 312,007.36 and 130,592.32

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Solution

The fourth proportional to 226,081.60, 312,007.36 and 130,592.32 is: 180,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,081.60 : 312,007.36 = 130,592.32 : x
  2. Step 2: Convert to fraction form
    226,081.60/312,007.36 = 130,592.32/x
  3. Step 3: Cross multiply
    226,081.60x = 312,007.36 × 130,592.32
  4. Step 4: Simplify right side
    226,081.60x = 40,745,764,999.48
  5. Step 5: Solve for x
    x = 40,745,764,999.48/226,081.60
  6. Step 6: Final answer
    x = 180,225.92

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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.