Home / 134,906.10-186,186.16-112,205.04

Finding the Fourth Proportional to 134,906.10, 186,186.16 and 112,205.04

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Solution

The fourth proportional to 134,906.10, 186,186.16 and 112,205.04 is: 154,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,906.10 : 186,186.16 = 112,205.04 : x
  2. Step 2: Convert to fraction form
    134,906.10/186,186.16 = 112,205.04/x
  3. Step 3: Cross multiply
    134,906.10x = 186,186.16 × 112,205.04
  4. Step 4: Simplify right side
    134,906.10x = 20,891,024,599.32
  5. Step 5: Solve for x
    x = 20,891,024,599.32/134,906.10
  6. Step 6: Final answer
    x = 154,856.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.