Home / 112,386.20-168,579.30-98,562.20

Finding the Fourth Proportional to 112,386.20, 168,579.30 and 98,562.20

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Solution

The fourth proportional to 112,386.20, 168,579.30 and 98,562.20 is: 147,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,386.20 : 168,579.30 = 98,562.20 : x
  2. Step 2: Convert to fraction form
    112,386.20/168,579.30 = 98,562.20/x
  3. Step 3: Cross multiply
    112,386.20x = 168,579.30 × 98,562.20
  4. Step 4: Simplify right side
    112,386.20x = 16,615,546,682.46
  5. Step 5: Solve for x
    x = 16,615,546,682.46/112,386.20
  6. Step 6: Final answer
    x = 147,843.30

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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.