Home / 213,875.36-295,213.72-123,291.92

Finding the Fourth Proportional to 213,875.36, 295,213.72 and 123,291.92

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Solution

The fourth proportional to 213,875.36, 295,213.72 and 123,291.92 is: 170,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,875.36 : 295,213.72 = 123,291.92 : x
  2. Step 2: Convert to fraction form
    213,875.36/295,213.72 = 123,291.92/x
  3. Step 3: Cross multiply
    213,875.36x = 295,213.72 × 123,291.92
  4. Step 4: Simplify right side
    213,875.36x = 36,397,466,349.14
  5. Step 5: Solve for x
    x = 36,397,466,349.14/213,875.36
  6. Step 6: Final answer
    x = 170,180.74

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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.