Home / 129,268.12-193,900.74-50,437.72

Finding the Fourth Proportional to 129,268.12, 193,900.74 and 50,437.72

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Solution

The fourth proportional to 129,268.12, 193,900.74 and 50,437.72 is: 75,656.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,268.12 : 193,900.74 = 50,437.72 : x
  2. Step 2: Convert to fraction form
    129,268.12/193,900.74 = 50,437.72/x
  3. Step 3: Cross multiply
    129,268.12x = 193,900.74 × 50,437.72
  4. Step 4: Simplify right side
    129,268.12x = 9,779,911,231.91
  5. Step 5: Solve for x
    x = 9,779,911,231.91/129,268.12
  6. Step 6: Final answer
    x = 75,656.02

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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.