Home / 193,270.50-266,715.48-107,231.06

Finding the Fourth Proportional to 193,270.50, 266,715.48 and 107,231.06

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Solution

The fourth proportional to 193,270.50, 266,715.48 and 107,231.06 is: 147,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,270.50 : 266,715.48 = 107,231.06 : x
  2. Step 2: Convert to fraction form
    193,270.50/266,715.48 = 107,231.06/x
  3. Step 3: Cross multiply
    193,270.50x = 266,715.48 × 107,231.06
  4. Step 4: Simplify right side
    193,270.50x = 28,600,183,638.81
  5. Step 5: Solve for x
    x = 28,600,183,638.81/193,270.50
  6. Step 6: Final answer
    x = 147,980.08

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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.