Home / 317,374.02-476,062.78-80,716.86

Finding the Fourth Proportional to 317,374.02, 476,062.78 and 80,716.86

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Solution

The fourth proportional to 317,374.02, 476,062.78 and 80,716.86 is: 121,075.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,374.02 : 476,062.78 = 80,716.86 : x
  2. Step 2: Convert to fraction form
    317,374.02/476,062.78 = 80,716.86/x
  3. Step 3: Cross multiply
    317,374.02x = 476,062.78 × 80,716.86
  4. Step 4: Simplify right side
    317,374.02x = 38,426,292,764.47
  5. Step 5: Solve for x
    x = 38,426,292,764.47/317,374.02
  6. Step 6: Final answer
    x = 121,075.74

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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.