Home / 111,762.06-154,243.35-64,006.62

Finding the Fourth Proportional to 111,762.06, 154,243.35 and 64,006.62

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Solution

The fourth proportional to 111,762.06, 154,243.35 and 64,006.62 is: 88,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,762.06 : 154,243.35 = 64,006.62 : x
  2. Step 2: Convert to fraction form
    111,762.06/154,243.35 = 64,006.62/x
  3. Step 3: Cross multiply
    111,762.06x = 154,243.35 × 64,006.62
  4. Step 4: Simplify right side
    111,762.06x = 9,872,595,490.98
  5. Step 5: Solve for x
    x = 9,872,595,490.98/111,762.06
  6. Step 6: Final answer
    x = 88,335.84

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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.