Home / 168,036.10-252,054.15-155,205.70

Finding the Fourth Proportional to 168,036.10, 252,054.15 and 155,205.70

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Solution

The fourth proportional to 168,036.10, 252,054.15 and 155,205.70 is: 232,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,036.10 : 252,054.15 = 155,205.70 : x
  2. Step 2: Convert to fraction form
    168,036.10/252,054.15 = 155,205.70/x
  3. Step 3: Cross multiply
    168,036.10x = 252,054.15 × 155,205.70
  4. Step 4: Simplify right side
    168,036.10x = 39,120,240,788.66
  5. Step 5: Solve for x
    x = 39,120,240,788.66/168,036.10
  6. Step 6: Final answer
    x = 232,808.55

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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.