Home / 112,456.20-168,657.30-64,968.60

Finding the Fourth Proportional to 112,456.20, 168,657.30 and 64,968.60

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Solution

The fourth proportional to 112,456.20, 168,657.30 and 64,968.60 is: 97,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,456.20 : 168,657.30 = 64,968.60 : x
  2. Step 2: Convert to fraction form
    112,456.20/168,657.30 = 64,968.60/x
  3. Step 3: Cross multiply
    112,456.20x = 168,657.30 × 64,968.60
  4. Step 4: Simplify right side
    112,456.20x = 10,957,428,660.78
  5. Step 5: Solve for x
    x = 10,957,428,660.78/112,456.20
  6. Step 6: Final answer
    x = 97,437.30

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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.