Home / 525,181.60-787,772.40-170,207.20

Finding the Fourth Proportional to 525,181.60, 787,772.40 and 170,207.20

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Solution

The fourth proportional to 525,181.60, 787,772.40 and 170,207.20 is: 255,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,181.60 : 787,772.40 = 170,207.20 : x
  2. Step 2: Convert to fraction form
    525,181.60/787,772.40 = 170,207.20/x
  3. Step 3: Cross multiply
    525,181.60x = 787,772.40 × 170,207.20
  4. Step 4: Simplify right side
    525,181.60x = 134,084,534,441.28
  5. Step 5: Solve for x
    x = 134,084,534,441.28/525,181.60
  6. Step 6: Final answer
    x = 255,310.80

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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.