Home / 525,839.52-788,865.40-166,066.60

Finding the Fourth Proportional to 525,839.52, 788,865.40 and 166,066.60

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Solution

The fourth proportional to 525,839.52, 788,865.40 and 166,066.60 is: 249,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,839.52 : 788,865.40 = 166,066.60 : x
  2. Step 2: Convert to fraction form
    525,839.52/788,865.40 = 166,066.60/x
  3. Step 3: Cross multiply
    525,839.52x = 788,865.40 × 166,066.60
  4. Step 4: Simplify right side
    525,839.52x = 131,004,194,835.64
  5. Step 5: Solve for x
    x = 131,004,194,835.64/525,839.52
  6. Step 6: Final answer
    x = 249,133.41

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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.