Home / 192,083.10-288,124.65-145,427.10

Finding the Fourth Proportional to 192,083.10, 288,124.65 and 145,427.10

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Solution

The fourth proportional to 192,083.10, 288,124.65 and 145,427.10 is: 218,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,083.10 : 288,124.65 = 145,427.10 : x
  2. Step 2: Convert to fraction form
    192,083.10/288,124.65 = 145,427.10/x
  3. Step 3: Cross multiply
    192,083.10x = 288,124.65 × 145,427.10
  4. Step 4: Simplify right side
    192,083.10x = 41,901,132,288.02
  5. Step 5: Solve for x
    x = 41,901,132,288.02/192,083.10
  6. Step 6: Final answer
    x = 218,140.65

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1.5x scale

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.