Home / 163,731.38-245,464.02-73,707.98

Finding the Fourth Proportional to 163,731.38, 245,464.02 and 73,707.98

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Solution

The fourth proportional to 163,731.38, 245,464.02 and 73,707.98 is: 110,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,731.38 : 245,464.02 = 73,707.98 : x
  2. Step 2: Convert to fraction form
    163,731.38/245,464.02 = 73,707.98/x
  3. Step 3: Cross multiply
    163,731.38x = 245,464.02 × 73,707.98
  4. Step 4: Simplify right side
    163,731.38x = 18,092,655,849.56
  5. Step 5: Solve for x
    x = 18,092,655,849.56/163,731.38
  6. Step 6: Final answer
    x = 110,502.07

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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.