Home / 157,505.20-236,257.80-113,218.45

Finding the Fourth Proportional to 157,505.20, 236,257.80 and 113,218.45

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Solution

The fourth proportional to 157,505.20, 236,257.80 and 113,218.45 is: 169,827.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,505.20 : 236,257.80 = 113,218.45 : x
  2. Step 2: Convert to fraction form
    157,505.20/236,257.80 = 113,218.45/x
  3. Step 3: Cross multiply
    157,505.20x = 236,257.80 × 113,218.45
  4. Step 4: Simplify right side
    157,505.20x = 26,748,741,916.41
  5. Step 5: Solve for x
    x = 26,748,741,916.41/157,505.20
  6. Step 6: Final answer
    x = 169,827.68

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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.