Home / 112,642.68-168,814.56-93,959.32

Finding the Fourth Proportional to 112,642.68, 168,814.56 and 93,959.32

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Solution

The fourth proportional to 112,642.68, 168,814.56 and 93,959.32 is: 140,814.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,642.68 : 168,814.56 = 93,959.32 : x
  2. Step 2: Convert to fraction form
    112,642.68/168,814.56 = 93,959.32/x
  3. Step 3: Cross multiply
    112,642.68x = 168,814.56 × 93,959.32
  4. Step 4: Simplify right side
    112,642.68x = 15,861,701,263.70
  5. Step 5: Solve for x
    x = 15,861,701,263.70/112,642.68
  6. Step 6: Final answer
    x = 140,814.31

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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.