Home / 426,051.36-639,407.04-160,053.60

Finding the Fourth Proportional to 426,051.36, 639,407.04 and 160,053.60

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Solution

The fourth proportional to 426,051.36, 639,407.04 and 160,053.60 is: 240,204.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,051.36 : 639,407.04 = 160,053.60 : x
  2. Step 2: Convert to fraction form
    426,051.36/639,407.04 = 160,053.60/x
  3. Step 3: Cross multiply
    426,051.36x = 639,407.04 × 160,053.60
  4. Step 4: Simplify right side
    426,051.36x = 102,339,398,617.34
  5. Step 5: Solve for x
    x = 102,339,398,617.34/426,051.36
  6. Step 6: Final answer
    x = 240,204.37

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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.