Home / 112,498.20-168,720.30-65,010.60

Finding the Fourth Proportional to 112,498.20, 168,720.30 and 65,010.60

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Solution

The fourth proportional to 112,498.20, 168,720.30 and 65,010.60 is: 97,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,498.20 : 168,720.30 = 65,010.60 : x
  2. Step 2: Convert to fraction form
    112,498.20/168,720.30 = 65,010.60/x
  3. Step 3: Cross multiply
    112,498.20x = 168,720.30 × 65,010.60
  4. Step 4: Simplify right side
    112,498.20x = 10,968,607,935.18
  5. Step 5: Solve for x
    x = 10,968,607,935.18/112,498.20
  6. Step 6: Final answer
    x = 97,500.30

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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.