Home / 141,862.10-212,009.07-133,668.02

Finding the Fourth Proportional to 141,862.10, 212,009.07 and 133,668.02

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Solution

The fourth proportional to 141,862.10, 212,009.07 and 133,668.02 is: 199,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,862.10 : 212,009.07 = 133,668.02 : x
  2. Step 2: Convert to fraction form
    141,862.10/212,009.07 = 133,668.02/x
  3. Step 3: Cross multiply
    141,862.10x = 212,009.07 × 133,668.02
  4. Step 4: Simplify right side
    141,862.10x = 28,338,831,940.60
  5. Step 5: Solve for x
    x = 28,338,831,940.60/141,862.10
  6. Step 6: Final answer
    x = 199,763.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.