Home / 168,855.40-233,465.70-147,860.20

Finding the Fourth Proportional to 168,855.40, 233,465.70 and 147,860.20

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Solution

The fourth proportional to 168,855.40, 233,465.70 and 147,860.20 is: 204,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,855.40 : 233,465.70 = 147,860.20 : x
  2. Step 2: Convert to fraction form
    168,855.40/233,465.70 = 147,860.20/x
  3. Step 3: Cross multiply
    168,855.40x = 233,465.70 × 147,860.20
  4. Step 4: Simplify right side
    168,855.40x = 34,520,285,095.14
  5. Step 5: Solve for x
    x = 34,520,285,095.14/168,855.40
  6. Step 6: Final answer
    x = 204,436.96

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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.