Home / 112,219.64-154,863.02-71,933.37

Finding the Fourth Proportional to 112,219.64, 154,863.02 and 71,933.37

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Solution

The fourth proportional to 112,219.64, 154,863.02 and 71,933.37 is: 99,268.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,219.64 : 154,863.02 = 71,933.37 : x
  2. Step 2: Convert to fraction form
    112,219.64/154,863.02 = 71,933.37/x
  3. Step 3: Cross multiply
    112,219.64x = 154,863.02 × 71,933.37
  4. Step 4: Simplify right side
    112,219.64x = 11,139,818,557.31
  5. Step 5: Solve for x
    x = 11,139,818,557.31/112,219.64
  6. Step 6: Final answer
    x = 99,268.00

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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.