Home / 144,683.48-199,657.61-81,018.02

Finding the Fourth Proportional to 144,683.48, 199,657.61 and 81,018.02

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Solution

The fourth proportional to 144,683.48, 199,657.61 and 81,018.02 is: 111,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,683.48 : 199,657.61 = 81,018.02 : x
  2. Step 2: Convert to fraction form
    144,683.48/199,657.61 = 81,018.02/x
  3. Step 3: Cross multiply
    144,683.48x = 199,657.61 × 81,018.02
  4. Step 4: Simplify right side
    144,683.48x = 16,175,864,638.00
  5. Step 5: Solve for x
    x = 16,175,864,638.00/144,683.48
  6. Step 6: Final answer
    x = 111,801.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.