Home / 111,775.41-154,252.76-64,043.73

Finding the Fourth Proportional to 111,775.41, 154,252.76 and 64,043.73

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Solution

The fourth proportional to 111,775.41, 154,252.76 and 64,043.73 is: 88,381.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,775.41 : 154,252.76 = 64,043.73 : x
  2. Step 2: Convert to fraction form
    111,775.41/154,252.76 = 64,043.73/x
  3. Step 3: Cross multiply
    111,775.41x = 154,252.76 × 64,043.73
  4. Step 4: Simplify right side
    111,775.41x = 9,878,921,792.98
  5. Step 5: Solve for x
    x = 9,878,921,792.98/111,775.41
  6. Step 6: Final answer
    x = 88,381.89

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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.