Home / 112,223.88-154,872.20-61,926.12

Finding the Fourth Proportional to 112,223.88, 154,872.20 and 61,926.12

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Solution

The fourth proportional to 112,223.88, 154,872.20 and 61,926.12 is: 85,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,223.88 : 154,872.20 = 61,926.12 : x
  2. Step 2: Convert to fraction form
    112,223.88/154,872.20 = 61,926.12/x
  3. Step 3: Cross multiply
    112,223.88x = 154,872.20 × 61,926.12
  4. Step 4: Simplify right side
    112,223.88x = 9,590,634,441.86
  5. Step 5: Solve for x
    x = 9,590,634,441.86/112,223.88
  6. Step 6: Final answer
    x = 85,459.84

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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.