Home / 185,688.89-278,636.83-100,298.02

Finding the Fourth Proportional to 185,688.89, 278,636.83 and 100,298.02

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Solution

The fourth proportional to 185,688.89, 278,636.83 and 100,298.02 is: 150,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,688.89 : 278,636.83 = 100,298.02 : x
  2. Step 2: Convert to fraction form
    185,688.89/278,636.83 = 100,298.02/x
  3. Step 3: Cross multiply
    185,688.89x = 278,636.83 × 100,298.02
  4. Step 4: Simplify right side
    185,688.89x = 27,946,721,846.59
  5. Step 5: Solve for x
    x = 27,946,721,846.59/185,688.89
  6. Step 6: Final answer
    x = 150,502.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.