Home / 315,693.12-473,536.17-91,046.22

Finding the Fourth Proportional to 315,693.12, 473,536.17 and 91,046.22

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Solution

The fourth proportional to 315,693.12, 473,536.17 and 91,046.22 is: 136,568.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,693.12 : 473,536.17 = 91,046.22 : x
  2. Step 2: Convert to fraction form
    315,693.12/473,536.17 = 91,046.22/x
  3. Step 3: Cross multiply
    315,693.12x = 473,536.17 × 91,046.22
  4. Step 4: Simplify right side
    315,693.12x = 43,113,678,311.78
  5. Step 5: Solve for x
    x = 43,113,678,311.78/315,693.12
  6. Step 6: Final answer
    x = 136,568.32

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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.