Home / 112,173.68-154,799.80-64,436.27

Finding the Fourth Proportional to 112,173.68, 154,799.80 and 64,436.27

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Solution

The fourth proportional to 112,173.68, 154,799.80 and 64,436.27 is: 88,922.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,173.68 : 154,799.80 = 64,436.27 : x
  2. Step 2: Convert to fraction form
    112,173.68/154,799.80 = 64,436.27/x
  3. Step 3: Cross multiply
    112,173.68x = 154,799.80 × 64,436.27
  4. Step 4: Simplify right side
    112,173.68x = 9,974,720,773.66
  5. Step 5: Solve for x
    x = 9,974,720,773.66/112,173.68
  6. Step 6: Final answer
    x = 88,922.11

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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.