Home / 194,783.81-268,818.08-109,917.28

Finding the Fourth Proportional to 194,783.81, 268,818.08 and 109,917.28

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Solution

The fourth proportional to 194,783.81, 268,818.08 and 109,917.28 is: 151,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,783.81 : 268,818.08 = 109,917.28 : x
  2. Step 2: Convert to fraction form
    194,783.81/268,818.08 = 109,917.28/x
  3. Step 3: Cross multiply
    194,783.81x = 268,818.08 × 109,917.28
  4. Step 4: Simplify right side
    194,783.81x = 29,547,750,946.79
  5. Step 5: Solve for x
    x = 29,547,750,946.79/194,783.81
  6. Step 6: Final answer
    x = 151,695.11

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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.