Home / 479,225.10-718,714.62-142,186.02

Finding the Fourth Proportional to 479,225.10, 718,714.62 and 142,186.02

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Solution

The fourth proportional to 479,225.10, 718,714.62 and 142,186.02 is: 213,242.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,225.10 : 718,714.62 = 142,186.02 : x
  2. Step 2: Convert to fraction form
    479,225.10/718,714.62 = 142,186.02/x
  3. Step 3: Cross multiply
    479,225.10x = 718,714.62 × 142,186.02
  4. Step 4: Simplify right side
    479,225.10x = 102,191,171,333.61
  5. Step 5: Solve for x
    x = 102,191,171,333.61/479,225.10
  6. Step 6: Final answer
    x = 213,242.53

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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.