Home / 317,329.12-475,990.02-107,114.68

Finding the Fourth Proportional to 317,329.12, 475,990.02 and 107,114.68

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Solution

The fourth proportional to 317,329.12, 475,990.02 and 107,114.68 is: 160,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,329.12 : 475,990.02 = 107,114.68 : x
  2. Step 2: Convert to fraction form
    317,329.12/475,990.02 = 107,114.68/x
  3. Step 3: Cross multiply
    317,329.12x = 475,990.02 × 107,114.68
  4. Step 4: Simplify right side
    317,329.12x = 50,985,518,675.49
  5. Step 5: Solve for x
    x = 50,985,518,675.49/317,329.12
  6. Step 6: Final answer
    x = 160,670.78

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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.