Home / 213,862.55-295,204.05-123,254.69

Finding the Fourth Proportional to 213,862.55, 295,204.05 and 123,254.69

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Solution

The fourth proportional to 213,862.55, 295,204.05 and 123,254.69 is: 170,133.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,862.55 : 295,204.05 = 123,254.69 : x
  2. Step 2: Convert to fraction form
    213,862.55/295,204.05 = 123,254.69/x
  3. Step 3: Cross multiply
    213,862.55x = 295,204.05 × 123,254.69
  4. Step 4: Simplify right side
    213,862.55x = 36,385,282,193.47
  5. Step 5: Solve for x
    x = 36,385,282,193.47/213,862.55
  6. Step 6: Final answer
    x = 170,133.96

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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.