Home / 331,816.60-497,886.90-154,232.20

Finding the Fourth Proportional to 331,816.60, 497,886.90 and 154,232.20

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Solution

The fourth proportional to 331,816.60, 497,886.90 and 154,232.20 is: 231,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,816.60 : 497,886.90 = 154,232.20 : x
  2. Step 2: Convert to fraction form
    331,816.60/497,886.90 = 154,232.20/x
  3. Step 3: Cross multiply
    331,816.60x = 497,886.90 × 154,232.20
  4. Step 4: Simplify right side
    331,816.60x = 76,790,191,938.18
  5. Step 5: Solve for x
    x = 76,790,191,938.18/331,816.60
  6. Step 6: Final answer
    x = 231,423.60

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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.