Home / 525,130.80-787,914.90-170,253.60

Finding the Fourth Proportional to 525,130.80, 787,914.90 and 170,253.60

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Solution

The fourth proportional to 525,130.80, 787,914.90 and 170,253.60 is: 255,451.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,130.80 : 787,914.90 = 170,253.60 : x
  2. Step 2: Convert to fraction form
    525,130.80/787,914.90 = 170,253.60/x
  3. Step 3: Cross multiply
    525,130.80x = 787,914.90 × 170,253.60
  4. Step 4: Simplify right side
    525,130.80x = 134,145,348,218.64
  5. Step 5: Solve for x
    x = 134,145,348,218.64/525,130.80
  6. Step 6: Final answer
    x = 255,451.31

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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.