Home / 185,769.68-256,364.04-100,888.40

Finding the Fourth Proportional to 185,769.68, 256,364.04 and 100,888.40

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Solution

The fourth proportional to 185,769.68, 256,364.04 and 100,888.40 is: 139,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,769.68 : 256,364.04 = 100,888.40 : x
  2. Step 2: Convert to fraction form
    185,769.68/256,364.04 = 100,888.40/x
  3. Step 3: Cross multiply
    185,769.68x = 256,364.04 × 100,888.40
  4. Step 4: Simplify right side
    185,769.68x = 25,864,157,813.14
  5. Step 5: Solve for x
    x = 25,864,157,813.14/185,769.68
  6. Step 6: Final answer
    x = 139,227.01

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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.