Home / 154,777.18-213,513.88-101,093.62

Finding the Fourth Proportional to 154,777.18, 213,513.88 and 101,093.62

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Solution

The fourth proportional to 154,777.18, 213,513.88 and 101,093.62 is: 139,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,777.18 : 213,513.88 = 101,093.62 : x
  2. Step 2: Convert to fraction form
    154,777.18/213,513.88 = 101,093.62/x
  3. Step 3: Cross multiply
    154,777.18x = 213,513.88 × 101,093.62
  4. Step 4: Simplify right side
    154,777.18x = 21,584,891,049.45
  5. Step 5: Solve for x
    x = 21,584,891,049.45/154,777.18
  6. Step 6: Final answer
    x = 139,457.84

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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.