Home / 193,038.39-266,392.80-108,156.06

Finding the Fourth Proportional to 193,038.39, 266,392.80 and 108,156.06

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Solution

The fourth proportional to 193,038.39, 266,392.80 and 108,156.06 is: 149,255.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,038.39 : 266,392.80 = 108,156.06 : x
  2. Step 2: Convert to fraction form
    193,038.39/266,392.80 = 108,156.06/x
  3. Step 3: Cross multiply
    193,038.39x = 266,392.80 × 108,156.06
  4. Step 4: Simplify right side
    193,038.39x = 28,811,995,660.37
  5. Step 5: Solve for x
    x = 28,811,995,660.37/193,038.39
  6. Step 6: Final answer
    x = 149,255.26

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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.