Home / 170,765.10-235,545.87-103,697.10

Finding the Fourth Proportional to 170,765.10, 235,545.87 and 103,697.10

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Solution

The fourth proportional to 170,765.10, 235,545.87 and 103,697.10 is: 143,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,765.10 : 235,545.87 = 103,697.10 : x
  2. Step 2: Convert to fraction form
    170,765.10/235,545.87 = 103,697.10/x
  3. Step 3: Cross multiply
    170,765.10x = 235,545.87 × 103,697.10
  4. Step 4: Simplify right side
    170,765.10x = 24,425,423,635.98
  5. Step 5: Solve for x
    x = 24,425,423,635.98/170,765.10
  6. Step 6: Final answer
    x = 143,035.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.