Home / 141,283.19-194,999.45-86,810.55

Finding the Fourth Proportional to 141,283.19, 194,999.45 and 86,810.55

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Solution

The fourth proportional to 141,283.19, 194,999.45 and 86,810.55 is: 119,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,283.19 : 194,999.45 = 86,810.55 : x
  2. Step 2: Convert to fraction form
    141,283.19/194,999.45 = 86,810.55/x
  3. Step 3: Cross multiply
    141,283.19x = 194,999.45 × 86,810.55
  4. Step 4: Simplify right side
    141,283.19x = 16,928,009,504.20
  5. Step 5: Solve for x
    x = 16,928,009,504.20/141,283.19
  6. Step 6: Final answer
    x = 119,816.16

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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.