Home / 457,583.41-686,389.56-158,081.05

Finding the Fourth Proportional to 457,583.41, 686,389.56 and 158,081.05

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Solution

The fourth proportional to 457,583.41, 686,389.56 and 158,081.05 is: 237,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,583.41 : 686,389.56 = 158,081.05 : x
  2. Step 2: Convert to fraction form
    457,583.41/686,389.56 = 158,081.05/x
  3. Step 3: Cross multiply
    457,583.41x = 686,389.56 × 158,081.05
  4. Step 4: Simplify right side
    457,583.41x = 108,505,182,353.84
  5. Step 5: Solve for x
    x = 108,505,182,353.84/457,583.41
  6. Step 6: Final answer
    x = 237,126.57

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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.