Home / 605,121.04-907,780.07-178,700.00

Finding the Fourth Proportional to 605,121.04, 907,780.07 and 178,700.00

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Solution

The fourth proportional to 605,121.04, 907,780.07 and 178,700.00 is: 268,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,121.04 : 907,780.07 = 178,700.00 : x
  2. Step 2: Convert to fraction form
    605,121.04/907,780.07 = 178,700.00/x
  3. Step 3: Cross multiply
    605,121.04x = 907,780.07 × 178,700.00
  4. Step 4: Simplify right side
    605,121.04x = 162,220,294,416.85
  5. Step 5: Solve for x
    x = 162,220,294,416.85/605,121.04
  6. Step 6: Final answer
    x = 268,079.08

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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.