Home / 426,862.22-640,318.37-160,625.03

Finding the Fourth Proportional to 426,862.22, 640,318.37 and 160,625.03

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Solution

The fourth proportional to 426,862.22, 640,318.37 and 160,625.03 is: 240,946.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,862.22 : 640,318.37 = 160,625.03 : x
  2. Step 2: Convert to fraction form
    426,862.22/640,318.37 = 160,625.03/x
  3. Step 3: Cross multiply
    426,862.22x = 640,318.37 × 160,625.03
  4. Step 4: Simplify right side
    426,862.22x = 102,851,153,386.08
  5. Step 5: Solve for x
    x = 102,851,153,386.08/426,862.22
  6. Step 6: Final answer
    x = 240,946.96

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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.