Home / 226,087.60-312,015.64-130,598.32

Finding the Fourth Proportional to 226,087.60, 312,015.64 and 130,598.32

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Solution

The fourth proportional to 226,087.60, 312,015.64 and 130,598.32 is: 180,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,087.60 : 312,015.64 = 130,598.32 : x
  2. Step 2: Convert to fraction form
    226,087.60/312,015.64 = 130,598.32/x
  3. Step 3: Cross multiply
    226,087.60x = 312,015.64 × 130,598.32
  4. Step 4: Simplify right side
    226,087.60x = 40,748,718,397.72
  5. Step 5: Solve for x
    x = 40,748,718,397.72/226,087.60
  6. Step 6: Final answer
    x = 180,234.20

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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.