Home / 171,962.10-257,943.15-45,602.10

Finding the Fourth Proportional to 171,962.10, 257,943.15 and 45,602.10

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Solution

The fourth proportional to 171,962.10, 257,943.15 and 45,602.10 is: 68,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,962.10 : 257,943.15 = 45,602.10 : x
  2. Step 2: Convert to fraction form
    171,962.10/257,943.15 = 45,602.10/x
  3. Step 3: Cross multiply
    171,962.10x = 257,943.15 × 45,602.10
  4. Step 4: Simplify right side
    171,962.10x = 11,762,749,320.62
  5. Step 5: Solve for x
    x = 11,762,749,320.62/171,962.10
  6. Step 6: Final answer
    x = 68,403.15

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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.