Home / 112,400.10-168,600.15-107,216.10

Finding the Fourth Proportional to 112,400.10, 168,600.15 and 107,216.10

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Solution

The fourth proportional to 112,400.10, 168,600.15 and 107,216.10 is: 160,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,400.10 : 168,600.15 = 107,216.10 : x
  2. Step 2: Convert to fraction form
    112,400.10/168,600.15 = 107,216.10/x
  3. Step 3: Cross multiply
    112,400.10x = 168,600.15 × 107,216.10
  4. Step 4: Simplify right side
    112,400.10x = 18,076,650,542.42
  5. Step 5: Solve for x
    x = 18,076,650,542.42/112,400.10
  6. Step 6: Final answer
    x = 160,824.15

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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.