Home / 168,435.90-232,517.52-111,109.32

Finding the Fourth Proportional to 168,435.90, 232,517.52 and 111,109.32

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Solution

The fourth proportional to 168,435.90, 232,517.52 and 111,109.32 is: 153,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,435.90 : 232,517.52 = 111,109.32 : x
  2. Step 2: Convert to fraction form
    168,435.90/232,517.52 = 111,109.32/x
  3. Step 3: Cross multiply
    168,435.90x = 232,517.52 × 111,109.32
  4. Step 4: Simplify right side
    168,435.90x = 25,834,863,535.29
  5. Step 5: Solve for x
    x = 25,834,863,535.29/168,435.90
  6. Step 6: Final answer
    x = 153,380.98

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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.