Home / 545,156.76-817,842.12-190,182.36

Finding the Fourth Proportional to 545,156.76, 817,842.12 and 190,182.36

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Solution

The fourth proportional to 545,156.76, 817,842.12 and 190,182.36 is: 285,310.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,156.76 : 817,842.12 = 190,182.36 : x
  2. Step 2: Convert to fraction form
    545,156.76/817,842.12 = 190,182.36/x
  3. Step 3: Cross multiply
    545,156.76x = 817,842.12 × 190,182.36
  4. Step 4: Simplify right side
    545,156.76x = 155,539,144,489.00
  5. Step 5: Solve for x
    x = 155,539,144,489.00/545,156.76
  6. Step 6: Final answer
    x = 285,310.86

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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.