Home / 112,269.08-154,877.62-75,983.24

Finding the Fourth Proportional to 112,269.08, 154,877.62 and 75,983.24

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Solution

The fourth proportional to 112,269.08, 154,877.62 and 75,983.24 is: 104,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269.08 : 154,877.62 = 75,983.24 : x
  2. Step 2: Convert to fraction form
    112,269.08/154,877.62 = 75,983.24/x
  3. Step 3: Cross multiply
    112,269.08x = 154,877.62 × 75,983.24
  4. Step 4: Simplify right side
    112,269.08x = 11,768,103,371.09
  5. Step 5: Solve for x
    x = 11,768,103,371.09/112,269.08
  6. Step 6: Final answer
    x = 104,820.52

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1.5x scale

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.