Home / 112,420.08-168,596.28-92,649.60

Finding the Fourth Proportional to 112,420.08, 168,596.28 and 92,649.60

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Solution

The fourth proportional to 112,420.08, 168,596.28 and 92,649.60 is: 138,946.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,420.08 : 168,596.28 = 92,649.60 : x
  2. Step 2: Convert to fraction form
    112,420.08/168,596.28 = 92,649.60/x
  3. Step 3: Cross multiply
    112,420.08x = 168,596.28 × 92,649.60
  4. Step 4: Simplify right side
    112,420.08x = 15,620,377,903.49
  5. Step 5: Solve for x
    x = 15,620,377,903.49/112,420.08
  6. Step 6: Final answer
    x = 138,946.51

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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.