Home / 230,506.14-345,759.18-72,746.90

Finding the Fourth Proportional to 230,506.14, 345,759.18 and 72,746.90

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Solution

The fourth proportional to 230,506.14, 345,759.18 and 72,746.90 is: 109,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,506.14 : 345,759.18 = 72,746.90 : x
  2. Step 2: Convert to fraction form
    230,506.14/345,759.18 = 72,746.90/x
  3. Step 3: Cross multiply
    230,506.14x = 345,759.18 × 72,746.90
  4. Step 4: Simplify right side
    230,506.14x = 25,152,906,762.75
  5. Step 5: Solve for x
    x = 25,152,906,762.75/230,506.14
  6. Step 6: Final answer
    x = 109,120.33

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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.