Home / 112,256.36-154,913.46-61,955

Finding the Fourth Proportional to 112,256.36, 154,913.46 and 61,955

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Solution

The fourth proportional to 112,256.36, 154,913.46 and 61,955 is: 85,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,256.36 : 154,913.46 = 61,955 : x
  2. Step 2: Convert to fraction form
    112,256.36/154,913.46 = 61,955/x
  3. Step 3: Cross multiply
    112,256.36x = 154,913.46 × 61,955
  4. Step 4: Simplify right side
    112,256.36x = 9,597,663,414.30
  5. Step 5: Solve for x
    x = 9,597,663,414.30/112,256.36
  6. Step 6: Final answer
    x = 85,497.73

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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.