Home / 439,538.10-659,307.15-107,114.10

Finding the Fourth Proportional to 439,538.10, 659,307.15 and 107,114.10

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Solution

The fourth proportional to 439,538.10, 659,307.15 and 107,114.10 is: 160,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,538.10 : 659,307.15 = 107,114.10 : x
  2. Step 2: Convert to fraction form
    439,538.10/659,307.15 = 107,114.10/x
  3. Step 3: Cross multiply
    439,538.10x = 659,307.15 × 107,114.10
  4. Step 4: Simplify right side
    439,538.10x = 70,621,091,995.82
  5. Step 5: Solve for x
    x = 70,621,091,995.82/439,538.10
  6. Step 6: Final answer
    x = 160,671.15

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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.