Home / 112,144.34-154,777.30-66,827.82

Finding the Fourth Proportional to 112,144.34, 154,777.30 and 66,827.82

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Solution

The fourth proportional to 112,144.34, 154,777.30 and 66,827.82 is: 92,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,144.34 : 154,777.30 = 66,827.82 : x
  2. Step 2: Convert to fraction form
    112,144.34/154,777.30 = 66,827.82/x
  3. Step 3: Cross multiply
    112,144.34x = 154,777.30 × 66,827.82
  4. Step 4: Simplify right side
    112,144.34x = 10,343,429,544.49
  5. Step 5: Solve for x
    x = 10,343,429,544.49/112,144.34
  6. Step 6: Final answer
    x = 92,233.18

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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.