Home / 113,830.26-156,939.72-93,336.81

Finding the Fourth Proportional to 113,830.26, 156,939.72 and 93,336.81

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Solution

The fourth proportional to 113,830.26, 156,939.72 and 93,336.81 is: 128,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,830.26 : 156,939.72 = 93,336.81 : x
  2. Step 2: Convert to fraction form
    113,830.26/156,939.72 = 93,336.81/x
  3. Step 3: Cross multiply
    113,830.26x = 156,939.72 × 93,336.81
  4. Step 4: Simplify right side
    113,830.26x = 14,648,252,827.09
  5. Step 5: Solve for x
    x = 14,648,252,827.09/113,830.26
  6. Step 6: Final answer
    x = 128,685.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.