Home / 112,155.18-168,183.53-41,985.28

Finding the Fourth Proportional to 112,155.18, 168,183.53 and 41,985.28

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Solution

The fourth proportional to 112,155.18, 168,183.53 and 41,985.28 is: 62,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,155.18 : 168,183.53 = 41,985.28 : x
  2. Step 2: Convert to fraction form
    112,155.18/168,183.53 = 41,985.28/x
  3. Step 3: Cross multiply
    112,155.18x = 168,183.53 × 41,985.28
  4. Step 4: Simplify right side
    112,155.18x = 7,061,232,598.44
  5. Step 5: Solve for x
    x = 7,061,232,598.44/112,155.18
  6. Step 6: Final answer
    x = 62,959.49

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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.