Home / 142,582.42-196,812.94-82,177.16

Finding the Fourth Proportional to 142,582.42, 196,812.94 and 82,177.16

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Solution

The fourth proportional to 142,582.42, 196,812.94 and 82,177.16 is: 113,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,582.42 : 196,812.94 = 82,177.16 : x
  2. Step 2: Convert to fraction form
    142,582.42/196,812.94 = 82,177.16/x
  3. Step 3: Cross multiply
    142,582.42x = 196,812.94 × 82,177.16
  4. Step 4: Simplify right side
    142,582.42x = 16,173,528,460.45
  5. Step 5: Solve for x
    x = 16,173,528,460.45/142,582.42
  6. Step 6: Final answer
    x = 113,432.84

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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.