Home / 605,128.04-907,790.58-178,707.02

Finding the Fourth Proportional to 605,128.04, 907,790.58 and 178,707.02

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Solution

The fourth proportional to 605,128.04, 907,790.58 and 178,707.02 is: 268,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,128.04 : 907,790.58 = 178,707.02 : x
  2. Step 2: Convert to fraction form
    605,128.04/907,790.58 = 178,707.02/x
  3. Step 3: Cross multiply
    605,128.04x = 907,790.58 × 178,707.02
  4. Step 4: Simplify right side
    605,128.04x = 162,228,549,335.87
  5. Step 5: Solve for x
    x = 162,228,549,335.87/605,128.04
  6. Step 6: Final answer
    x = 268,089.63

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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.