Home / 213,864.05-295,206.12-123,256.19

Finding the Fourth Proportional to 213,864.05, 295,206.12 and 123,256.19

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Solution

The fourth proportional to 213,864.05, 295,206.12 and 123,256.19 is: 170,136.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,864.05 : 295,206.12 = 123,256.19 : x
  2. Step 2: Convert to fraction form
    213,864.05/295,206.12 = 123,256.19/x
  3. Step 3: Cross multiply
    213,864.05x = 295,206.12 × 123,256.19
  4. Step 4: Simplify right side
    213,864.05x = 36,385,980,139.85
  5. Step 5: Solve for x
    x = 36,385,980,139.85/213,864.05
  6. Step 6: Final answer
    x = 170,136.03

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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.