Home / 141,898.04-195,615.84-111,630.80

Finding the Fourth Proportional to 141,898.04, 195,615.84 and 111,630.80

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Solution

The fourth proportional to 141,898.04, 195,615.84 and 111,630.80 is: 153,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,898.04 : 195,615.84 = 111,630.80 : x
  2. Step 2: Convert to fraction form
    141,898.04/195,615.84 = 111,630.80/x
  3. Step 3: Cross multiply
    141,898.04x = 195,615.84 × 111,630.80
  4. Step 4: Simplify right side
    141,898.04x = 21,836,752,711.87
  5. Step 5: Solve for x
    x = 21,836,752,711.87/141,898.04
  6. Step 6: Final answer
    x = 153,890.45

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1.5x scale

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.