Home / 181,964.06-251,111.42-105,528.48

Finding the Fourth Proportional to 181,964.06, 251,111.42 and 105,528.48

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Solution

The fourth proportional to 181,964.06, 251,111.42 and 105,528.48 is: 145,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,964.06 : 251,111.42 = 105,528.48 : x
  2. Step 2: Convert to fraction form
    181,964.06/251,111.42 = 105,528.48/x
  3. Step 3: Cross multiply
    181,964.06x = 251,111.42 × 105,528.48
  4. Step 4: Simplify right side
    181,964.06x = 26,499,406,463.24
  5. Step 5: Solve for x
    x = 26,499,406,463.24/181,964.06
  6. Step 6: Final answer
    x = 145,629.89

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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.