Home / 415,905.20-623,550.60-166,458.80

Finding the Fourth Proportional to 415,905.20, 623,550.60 and 166,458.80

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Solution

The fourth proportional to 415,905.20, 623,550.60 and 166,458.80 is: 249,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,905.20 : 623,550.60 = 166,458.80 : x
  2. Step 2: Convert to fraction form
    415,905.20/623,550.60 = 166,458.80/x
  3. Step 3: Cross multiply
    415,905.20x = 623,550.60 × 166,458.80
  4. Step 4: Simplify right side
    415,905.20x = 103,795,484,615.28
  5. Step 5: Solve for x
    x = 103,795,484,615.28/415,905.20
  6. Step 6: Final answer
    x = 249,565.25

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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.