Home / 197,763.64-272,962.66-112,929.92

Finding the Fourth Proportional to 197,763.64, 272,962.66 and 112,929.92

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Solution

The fourth proportional to 197,763.64, 272,962.66 and 112,929.92 is: 155,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,763.64 : 272,962.66 = 112,929.92 : x
  2. Step 2: Convert to fraction form
    197,763.64/272,962.66 = 112,929.92/x
  3. Step 3: Cross multiply
    197,763.64x = 272,962.66 × 112,929.92
  4. Step 4: Simplify right side
    197,763.64x = 30,825,651,356.79
  5. Step 5: Solve for x
    x = 30,825,651,356.79/197,763.64
  6. Step 6: Final answer
    x = 155,871.18

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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.