Home / 102,975.27-142,032.49-94,504.74

Finding the Fourth Proportional to 102,975.27, 142,032.49 and 94,504.74

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Solution

The fourth proportional to 102,975.27, 142,032.49 and 94,504.74 is: 130,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,975.27 : 142,032.49 = 94,504.74 : x
  2. Step 2: Convert to fraction form
    102,975.27/142,032.49 = 94,504.74/x
  3. Step 3: Cross multiply
    102,975.27x = 142,032.49 × 94,504.74
  4. Step 4: Simplify right side
    102,975.27x = 13,422,743,569.05
  5. Step 5: Solve for x
    x = 13,422,743,569.05/102,975.27
  6. Step 6: Final answer
    x = 130,349.20

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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.