Home / 112,256.35-154,940.36-64,537.42

Finding the Fourth Proportional to 112,256.35, 154,940.36 and 64,537.42

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Solution

The fourth proportional to 112,256.35, 154,940.36 and 64,537.42 is: 89,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,256.35 : 154,940.36 = 64,537.42 : x
  2. Step 2: Convert to fraction form
    112,256.35/154,940.36 = 64,537.42/x
  3. Step 3: Cross multiply
    112,256.35x = 154,940.36 × 64,537.42
  4. Step 4: Simplify right side
    112,256.35x = 9,999,451,088.27
  5. Step 5: Solve for x
    x = 9,999,451,088.27/112,256.35
  6. Step 6: Final answer
    x = 89,076.93

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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.