Home / 167,159.12-230,699.40-100,089.68

Finding the Fourth Proportional to 167,159.12, 230,699.40 and 100,089.68

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Solution

The fourth proportional to 167,159.12, 230,699.40 and 100,089.68 is: 138,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,159.12 : 230,699.40 = 100,089.68 : x
  2. Step 2: Convert to fraction form
    167,159.12/230,699.40 = 100,089.68/x
  3. Step 3: Cross multiply
    167,159.12x = 230,699.40 × 100,089.68
  4. Step 4: Simplify right side
    167,159.12x = 23,090,629,122.19
  5. Step 5: Solve for x
    x = 23,090,629,122.19/167,159.12
  6. Step 6: Final answer
    x = 138,135.62

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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.