Home / 525,834.52-788,857.90-166,061.60

Finding the Fourth Proportional to 525,834.52, 788,857.90 and 166,061.60

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Solution

The fourth proportional to 525,834.52, 788,857.90 and 166,061.60 is: 249,125.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,834.52 : 788,857.90 = 166,061.60 : x
  2. Step 2: Convert to fraction form
    525,834.52/788,857.90 = 166,061.60/x
  3. Step 3: Cross multiply
    525,834.52x = 788,857.90 × 166,061.60
  4. Step 4: Simplify right side
    525,834.52x = 130,999,005,046.64
  5. Step 5: Solve for x
    x = 130,999,005,046.64/525,834.52
  6. Step 6: Final answer
    x = 249,125.91

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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.