Home / 180,201.38-248,670.57-99,623.78

Finding the Fourth Proportional to 180,201.38, 248,670.57 and 99,623.78

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Solution

The fourth proportional to 180,201.38, 248,670.57 and 99,623.78 is: 137,476.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,201.38 : 248,670.57 = 99,623.78 : x
  2. Step 2: Convert to fraction form
    180,201.38/248,670.57 = 99,623.78/x
  3. Step 3: Cross multiply
    180,201.38x = 248,670.57 × 99,623.78
  4. Step 4: Simplify right side
    180,201.38x = 24,773,502,158.15
  5. Step 5: Solve for x
    x = 24,773,502,158.15/180,201.38
  6. Step 6: Final answer
    x = 137,476.76

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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.