Home / 163,401.57-245,137.19-56,788.70

Finding the Fourth Proportional to 163,401.57, 245,137.19 and 56,788.70

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Solution

The fourth proportional to 163,401.57, 245,137.19 and 56,788.70 is: 85,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,401.57 : 245,137.19 = 56,788.70 : x
  2. Step 2: Convert to fraction form
    163,401.57/245,137.19 = 56,788.70/x
  3. Step 3: Cross multiply
    163,401.57x = 245,137.19 × 56,788.70
  4. Step 4: Simplify right side
    163,401.57x = 13,921,020,832.12
  5. Step 5: Solve for x
    x = 13,921,020,832.12/163,401.57
  6. Step 6: Final answer
    x = 85,195.15

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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.