Home / 182,112.56-251,314.40-105,647.12

Finding the Fourth Proportional to 182,112.56, 251,314.40 and 105,647.12

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Solution

The fourth proportional to 182,112.56, 251,314.40 and 105,647.12 is: 145,792.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,112.56 : 251,314.40 = 105,647.12 : x
  2. Step 2: Convert to fraction form
    182,112.56/251,314.40 = 105,647.12/x
  3. Step 3: Cross multiply
    182,112.56x = 251,314.40 × 105,647.12
  4. Step 4: Simplify right side
    182,112.56x = 26,550,642,574.53
  5. Step 5: Solve for x
    x = 26,550,642,574.53/182,112.56
  6. Step 6: Final answer
    x = 145,792.48

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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.