Home / 112,239.27-154,868.76-64,494.63

Finding the Fourth Proportional to 112,239.27, 154,868.76 and 64,494.63

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Solution

The fourth proportional to 112,239.27, 154,868.76 and 64,494.63 is: 88,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,239.27 : 154,868.76 = 64,494.63 : x
  2. Step 2: Convert to fraction form
    112,239.27/154,868.76 = 64,494.63/x
  3. Step 3: Cross multiply
    112,239.27x = 154,868.76 × 64,494.63
  4. Step 4: Simplify right side
    112,239.27x = 9,988,203,374.76
  5. Step 5: Solve for x
    x = 9,988,203,374.76/112,239.27
  6. Step 6: Final answer
    x = 88,990.27

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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.