Home / 313,345.06-470,037.58-88,723.20

Finding the Fourth Proportional to 313,345.06, 470,037.58 and 88,723.20

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Solution

The fourth proportional to 313,345.06, 470,037.58 and 88,723.20 is: 133,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,345.06 : 470,037.58 = 88,723.20 : x
  2. Step 2: Convert to fraction form
    313,345.06/470,037.58 = 88,723.20/x
  3. Step 3: Cross multiply
    313,345.06x = 470,037.58 × 88,723.20
  4. Step 4: Simplify right side
    313,345.06x = 41,703,238,217.86
  5. Step 5: Solve for x
    x = 41,703,238,217.86/313,345.06
  6. Step 6: Final answer
    x = 133,090.46

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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.