Home / 112,256.28-154,912.91-61,955.28

Finding the Fourth Proportional to 112,256.28, 154,912.91 and 61,955.28

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Solution

The fourth proportional to 112,256.28, 154,912.91 and 61,955.28 is: 85,497.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,256.28 : 154,912.91 = 61,955.28 : x
  2. Step 2: Convert to fraction form
    112,256.28/154,912.91 = 61,955.28/x
  3. Step 3: Cross multiply
    112,256.28x = 154,912.91 × 61,955.28
  4. Step 4: Simplify right side
    112,256.28x = 9,597,672,404.89
  5. Step 5: Solve for x
    x = 9,597,672,404.89/112,256.28
  6. Step 6: Final answer
    x = 85,497.87

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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.