Home / 145,647.24-218,498.43-56,895.14

Finding the Fourth Proportional to 145,647.24, 218,498.43 and 56,895.14

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Solution

The fourth proportional to 145,647.24, 218,498.43 and 56,895.14 is: 85,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,647.24 : 218,498.43 = 56,895.14 : x
  2. Step 2: Convert to fraction form
    145,647.24/218,498.43 = 56,895.14/x
  3. Step 3: Cross multiply
    145,647.24x = 218,498.43 × 56,895.14
  4. Step 4: Simplify right side
    145,647.24x = 12,431,497,672.14
  5. Step 5: Solve for x
    x = 12,431,497,672.14/145,647.24
  6. Step 6: Final answer
    x = 85,353.47

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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.