Home / 336,681.12-505,069.68-111,967.52

Finding the Fourth Proportional to 336,681.12, 505,069.68 and 111,967.52

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Solution

The fourth proportional to 336,681.12, 505,069.68 and 111,967.52 is: 167,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,681.12 : 505,069.68 = 111,967.52 : x
  2. Step 2: Convert to fraction form
    336,681.12/505,069.68 = 111,967.52/x
  3. Step 3: Cross multiply
    336,681.12x = 505,069.68 × 111,967.52
  4. Step 4: Simplify right side
    336,681.12x = 56,551,399,496.79
  5. Step 5: Solve for x
    x = 56,551,399,496.79/336,681.12
  6. Step 6: Final answer
    x = 167,967.24

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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.