Home / 194,482.10-291,262.35-131,813.30

Finding the Fourth Proportional to 194,482.10, 291,262.35 and 131,813.30

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Solution

The fourth proportional to 194,482.10, 291,262.35 and 131,813.30 is: 197,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,482.10 : 291,262.35 = 131,813.30 : x
  2. Step 2: Convert to fraction form
    194,482.10/291,262.35 = 131,813.30/x
  3. Step 3: Cross multiply
    194,482.10x = 291,262.35 × 131,813.30
  4. Step 4: Simplify right side
    194,482.10x = 38,392,251,519.26
  5. Step 5: Solve for x
    x = 38,392,251,519.26/194,482.10
  6. Step 6: Final answer
    x = 197,407.64

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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.