Home / 331,886.60-497,772.30-121,416.20

Finding the Fourth Proportional to 331,886.60, 497,772.30 and 121,416.20

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Solution

The fourth proportional to 331,886.60, 497,772.30 and 121,416.20 is: 182,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,886.60 : 497,772.30 = 121,416.20 : x
  2. Step 2: Convert to fraction form
    331,886.60/497,772.30 = 121,416.20/x
  3. Step 3: Cross multiply
    331,886.60x = 497,772.30 × 121,416.20
  4. Step 4: Simplify right side
    331,886.60x = 60,437,621,131.26
  5. Step 5: Solve for x
    x = 60,437,621,131.26/331,886.60
  6. Step 6: Final answer
    x = 182,103.23

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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.