Home / 113,833.26-156,943.86-93,339.82

Finding the Fourth Proportional to 113,833.26, 156,943.86 and 93,339.82

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Solution

The fourth proportional to 113,833.26, 156,943.86 and 93,339.82 is: 128,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,833.26 : 156,943.86 = 93,339.82 : x
  2. Step 2: Convert to fraction form
    113,833.26/156,943.86 = 93,339.82/x
  3. Step 3: Cross multiply
    113,833.26x = 156,943.86 × 93,339.82
  4. Step 4: Simplify right side
    113,833.26x = 14,649,111,642.51
  5. Step 5: Solve for x
    x = 14,649,111,642.51/113,833.26
  6. Step 6: Final answer
    x = 128,689.20

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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.