Home / 193,263.11-266,611.05-128,762.27

Finding the Fourth Proportional to 193,263.11, 266,611.05 and 128,762.27

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Solution

The fourth proportional to 193,263.11, 266,611.05 and 128,762.27 is: 177,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,263.11 : 266,611.05 = 128,762.27 : x
  2. Step 2: Convert to fraction form
    193,263.11/266,611.05 = 128,762.27/x
  3. Step 3: Cross multiply
    193,263.11x = 266,611.05 × 128,762.27
  4. Step 4: Simplify right side
    193,263.11x = 34,329,442,672.03
  5. Step 5: Solve for x
    x = 34,329,442,672.03/193,263.11
  6. Step 6: Final answer
    x = 177,630.61

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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.