Home / 336,985.20-505,549.08-126,624.96

Finding the Fourth Proportional to 336,985.20, 505,549.08 and 126,624.96

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Solution

The fourth proportional to 336,985.20, 505,549.08 and 126,624.96 is: 189,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,985.20 : 505,549.08 = 126,624.96 : x
  2. Step 2: Convert to fraction form
    336,985.20/505,549.08 = 126,624.96/x
  3. Step 3: Cross multiply
    336,985.20x = 505,549.08 × 126,624.96
  4. Step 4: Simplify right side
    336,985.20x = 64,015,132,033.04
  5. Step 5: Solve for x
    x = 64,015,132,033.04/336,985.20
  6. Step 6: Final answer
    x = 189,964.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.