Home / 167,239.84-230,712.96-103,554.40

Finding the Fourth Proportional to 167,239.84, 230,712.96 and 103,554.40

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Solution

The fourth proportional to 167,239.84, 230,712.96 and 103,554.40 is: 142,856.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,239.84 : 230,712.96 = 103,554.40 : x
  2. Step 2: Convert to fraction form
    167,239.84/230,712.96 = 103,554.40/x
  3. Step 3: Cross multiply
    167,239.84x = 230,712.96 × 103,554.40
  4. Step 4: Simplify right side
    167,239.84x = 23,891,342,145.02
  5. Step 5: Solve for x
    x = 23,891,342,145.02/167,239.84
  6. Step 6: Final answer
    x = 142,856.76

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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.