Home / 230,032.35-345,196.04-111,639.15

Finding the Fourth Proportional to 230,032.35, 345,196.04 and 111,639.15

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Solution

The fourth proportional to 230,032.35, 345,196.04 and 111,639.15 is: 167,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,032.35 : 345,196.04 = 111,639.15 : x
  2. Step 2: Convert to fraction form
    230,032.35/345,196.04 = 111,639.15/x
  3. Step 3: Cross multiply
    230,032.35x = 345,196.04 × 111,639.15
  4. Step 4: Simplify right side
    230,032.35x = 38,537,391,930.77
  5. Step 5: Solve for x
    x = 38,537,391,930.77/230,032.35
  6. Step 6: Final answer
    x = 167,530.31

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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.