Home / 141,838.48-195,527.88-90,845.20

Finding the Fourth Proportional to 141,838.48, 195,527.88 and 90,845.20

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Solution

The fourth proportional to 141,838.48, 195,527.88 and 90,845.20 is: 125,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,838.48 : 195,527.88 = 90,845.20 : x
  2. Step 2: Convert to fraction form
    141,838.48/195,527.88 = 90,845.20/x
  3. Step 3: Cross multiply
    141,838.48x = 195,527.88 × 90,845.20
  4. Step 4: Simplify right side
    141,838.48x = 17,762,769,364.18
  5. Step 5: Solve for x
    x = 17,762,769,364.18/141,838.48
  6. Step 6: Final answer
    x = 125,232.37

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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.