Home / 258,343.14-387,602.19-116,173.56

Finding the Fourth Proportional to 258,343.14, 387,602.19 and 116,173.56

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Solution

The fourth proportional to 258,343.14, 387,602.19 and 116,173.56 is: 174,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,343.14 : 387,602.19 = 116,173.56 : x
  2. Step 2: Convert to fraction form
    258,343.14/387,602.19 = 116,173.56/x
  3. Step 3: Cross multiply
    258,343.14x = 387,602.19 × 116,173.56
  4. Step 4: Simplify right side
    258,343.14x = 45,029,126,276.10
  5. Step 5: Solve for x
    x = 45,029,126,276.10/258,343.14
  6. Step 6: Final answer
    x = 174,299.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.