Home / 181,999.77-251,160.52-105,564.12

Finding the Fourth Proportional to 181,999.77, 251,160.52 and 105,564.12

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Solution

The fourth proportional to 181,999.77, 251,160.52 and 105,564.12 is: 145,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,999.77 : 251,160.52 = 105,564.12 : x
  2. Step 2: Convert to fraction form
    181,999.77/251,160.52 = 105,564.12/x
  3. Step 3: Cross multiply
    181,999.77x = 251,160.52 × 105,564.12
  4. Step 4: Simplify right side
    181,999.77x = 26,513,539,536.45
  5. Step 5: Solve for x
    x = 26,513,539,536.45/181,999.77
  6. Step 6: Final answer
    x = 145,678.97

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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.