Home / 525,890.73-788,969.16-146,811.18

Finding the Fourth Proportional to 525,890.73, 788,969.16 and 146,811.18

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Solution

The fourth proportional to 525,890.73, 788,969.16 and 146,811.18 is: 220,253.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,890.73 : 788,969.16 = 146,811.18 : x
  2. Step 2: Convert to fraction form
    525,890.73/788,969.16 = 146,811.18/x
  3. Step 3: Cross multiply
    525,890.73x = 788,969.16 × 146,811.18
  4. Step 4: Simplify right side
    525,890.73x = 115,829,496,321.84
  5. Step 5: Solve for x
    x = 115,829,496,321.84/525,890.73
  6. Step 6: Final answer
    x = 220,253.92

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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.