Home / 314,029.44-470,997.72-103,669.20

Finding the Fourth Proportional to 314,029.44, 470,997.72 and 103,669.20

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Solution

The fourth proportional to 314,029.44, 470,997.72 and 103,669.20 is: 155,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,029.44 : 470,997.72 = 103,669.20 : x
  2. Step 2: Convert to fraction form
    314,029.44/470,997.72 = 103,669.20/x
  3. Step 3: Cross multiply
    314,029.44x = 470,997.72 × 103,669.20
  4. Step 4: Simplify right side
    314,029.44x = 48,827,956,834.22
  5. Step 5: Solve for x
    x = 48,827,956,834.22/314,029.44
  6. Step 6: Final answer
    x = 155,488.47

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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.