Home / 193,430.29-266,921.77-107,384.25

Finding the Fourth Proportional to 193,430.29, 266,921.77 and 107,384.25

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Solution

The fourth proportional to 193,430.29, 266,921.77 and 107,384.25 is: 148,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,430.29 : 266,921.77 = 107,384.25 : x
  2. Step 2: Convert to fraction form
    193,430.29/266,921.77 = 107,384.25/x
  3. Step 3: Cross multiply
    193,430.29x = 266,921.77 × 107,384.25
  4. Step 4: Simplify right side
    193,430.29x = 28,663,194,080.12
  5. Step 5: Solve for x
    x = 28,663,194,080.12/193,430.29
  6. Step 6: Final answer
    x = 148,183.59

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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.