Home / 181,845.19-250,976.90-105,412.10

Finding the Fourth Proportional to 181,845.19, 250,976.90 and 105,412.10

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Solution

The fourth proportional to 181,845.19, 250,976.90 and 105,412.10 is: 145,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,845.19 : 250,976.90 = 105,412.10 : x
  2. Step 2: Convert to fraction form
    181,845.19/250,976.90 = 105,412.10/x
  3. Step 3: Cross multiply
    181,845.19x = 250,976.90 × 105,412.10
  4. Step 4: Simplify right side
    181,845.19x = 26,456,001,071.48
  5. Step 5: Solve for x
    x = 26,456,001,071.48/181,845.19
  6. Step 6: Final answer
    x = 145,486.39

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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.