Home / 112,230.08-154,737.44-71,877.48

Finding the Fourth Proportional to 112,230.08, 154,737.44 and 71,877.48

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Solution

The fourth proportional to 112,230.08, 154,737.44 and 71,877.48 is: 99,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,230.08 : 154,737.44 = 71,877.48 : x
  2. Step 2: Convert to fraction form
    112,230.08/154,737.44 = 71,877.48/x
  3. Step 3: Cross multiply
    112,230.08x = 154,737.44 × 71,877.48
  4. Step 4: Simplify right side
    112,230.08x = 11,122,137,248.85
  5. Step 5: Solve for x
    x = 11,122,137,248.85/112,230.08
  6. Step 6: Final answer
    x = 99,101.21

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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.