Home / 202,521.56-279,496.10-111,885.45

Finding the Fourth Proportional to 202,521.56, 279,496.10 and 111,885.45

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Solution

The fourth proportional to 202,521.56, 279,496.10 and 111,885.45 is: 154,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,521.56 : 279,496.10 = 111,885.45 : x
  2. Step 2: Convert to fraction form
    202,521.56/279,496.10 = 111,885.45/x
  3. Step 3: Cross multiply
    202,521.56x = 279,496.10 × 111,885.45
  4. Step 4: Simplify right side
    202,521.56x = 31,271,545,524.26
  5. Step 5: Solve for x
    x = 31,271,545,524.26/202,521.56
  6. Step 6: Final answer
    x = 154,410.95

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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.