Home / 230,509.44-318,182.40-135,047.04

Finding the Fourth Proportional to 230,509.44, 318,182.40 and 135,047.04

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Solution

The fourth proportional to 230,509.44, 318,182.40 and 135,047.04 is: 186,411.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,509.44 : 318,182.40 = 135,047.04 : x
  2. Step 2: Convert to fraction form
    230,509.44/318,182.40 = 135,047.04/x
  3. Step 3: Cross multiply
    230,509.44x = 318,182.40 × 135,047.04
  4. Step 4: Simplify right side
    230,509.44x = 42,969,591,300.10
  5. Step 5: Solve for x
    x = 42,969,591,300.10/230,509.44
  6. Step 6: Final answer
    x = 186,411.42

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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.