Home / 415,933.20-623,592.60-166,486.80

Finding the Fourth Proportional to 415,933.20, 623,592.60 and 166,486.80

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Solution

The fourth proportional to 415,933.20, 623,592.60 and 166,486.80 is: 249,607.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,933.20 : 623,592.60 = 166,486.80 : x
  2. Step 2: Convert to fraction form
    415,933.20/623,592.60 = 166,486.80/x
  3. Step 3: Cross multiply
    415,933.20x = 623,592.60 × 166,486.80
  4. Step 4: Simplify right side
    415,933.20x = 103,819,936,477.68
  5. Step 5: Solve for x
    x = 103,819,936,477.68/415,933.20
  6. Step 6: Final answer
    x = 249,607.24

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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.