Home / 112,202.64-154,895.76-69,774.84

Finding the Fourth Proportional to 112,202.64, 154,895.76 and 69,774.84

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Solution

The fourth proportional to 112,202.64, 154,895.76 and 69,774.84 is: 96,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,202.64 : 154,895.76 = 69,774.84 : x
  2. Step 2: Convert to fraction form
    112,202.64/154,895.76 = 69,774.84/x
  3. Step 3: Cross multiply
    112,202.64x = 154,895.76 × 69,774.84
  4. Step 4: Simplify right side
    112,202.64x = 10,807,826,870.68
  5. Step 5: Solve for x
    x = 10,807,826,870.68/112,202.64
  6. Step 6: Final answer
    x = 96,324.18

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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.