Home / 112,367.36-168,576.15-42,247.28

Finding the Fourth Proportional to 112,367.36, 168,576.15 and 42,247.28

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Solution

The fourth proportional to 112,367.36, 168,576.15 and 42,247.28 is: 63,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,367.36 : 168,576.15 = 42,247.28 : x
  2. Step 2: Convert to fraction form
    112,367.36/168,576.15 = 42,247.28/x
  3. Step 3: Cross multiply
    112,367.36x = 168,576.15 × 42,247.28
  4. Step 4: Simplify right side
    112,367.36x = 7,121,883,810.37
  5. Step 5: Solve for x
    x = 7,121,883,810.37/112,367.36
  6. Step 6: Final answer
    x = 63,380.36

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1.5x scale

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.