Home / 181,980.46-251,134.02-105,544.84

Finding the Fourth Proportional to 181,980.46, 251,134.02 and 105,544.84

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Solution

The fourth proportional to 181,980.46, 251,134.02 and 105,544.84 is: 145,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,980.46 : 251,134.02 = 105,544.84 : x
  2. Step 2: Convert to fraction form
    181,980.46/251,134.02 = 105,544.84/x
  3. Step 3: Cross multiply
    181,980.46x = 251,134.02 × 105,544.84
  4. Step 4: Simplify right side
    181,980.46x = 26,505,899,959.46
  5. Step 5: Solve for x
    x = 26,505,899,959.46/181,980.46
  6. Step 6: Final answer
    x = 145,652.45

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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.