Home / 163,434.06-245,144.43-45,102.38

Finding the Fourth Proportional to 163,434.06, 245,144.43 and 45,102.38

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Solution

The fourth proportional to 163,434.06, 245,144.43 and 45,102.38 is: 67,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,434.06 : 245,144.43 = 45,102.38 : x
  2. Step 2: Convert to fraction form
    163,434.06/245,144.43 = 45,102.38/x
  3. Step 3: Cross multiply
    163,434.06x = 245,144.43 × 45,102.38
  4. Step 4: Simplify right side
    163,434.06x = 11,056,596,011.02
  5. Step 5: Solve for x
    x = 11,056,596,011.02/163,434.06
  6. Step 6: Final answer
    x = 67,651.72

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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.