Home / 162,426.61-243,681.44-67,625.28

Finding the Fourth Proportional to 162,426.61, 243,681.44 and 67,625.28

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Solution

The fourth proportional to 162,426.61, 243,681.44 and 67,625.28 is: 101,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,426.61 : 243,681.44 = 67,625.28 : x
  2. Step 2: Convert to fraction form
    162,426.61/243,681.44 = 67,625.28/x
  3. Step 3: Cross multiply
    162,426.61x = 243,681.44 × 67,625.28
  4. Step 4: Simplify right side
    162,426.61x = 16,479,025,610.80
  5. Step 5: Solve for x
    x = 16,479,025,610.80/162,426.61
  6. Step 6: Final answer
    x = 101,455.21

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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.