Home / 142,582.77-196,759.80-82,153.53

Finding the Fourth Proportional to 142,582.77, 196,759.80 and 82,153.53

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Solution

The fourth proportional to 142,582.77, 196,759.80 and 82,153.53 is: 113,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,582.77 : 196,759.80 = 82,153.53 : x
  2. Step 2: Convert to fraction form
    142,582.77/196,759.80 = 82,153.53/x
  3. Step 3: Cross multiply
    142,582.77x = 196,759.80 × 82,153.53
  4. Step 4: Simplify right side
    142,582.77x = 16,164,512,132.09
  5. Step 5: Solve for x
    x = 16,164,512,132.09/142,582.77
  6. Step 6: Final answer
    x = 113,369.32

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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.