Home / 116,545.87-160,907.23-79,813.57

Finding the Fourth Proportional to 116,545.87, 160,907.23 and 79,813.57

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Solution

The fourth proportional to 116,545.87, 160,907.23 and 79,813.57 is: 110,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,545.87 : 160,907.23 = 79,813.57 : x
  2. Step 2: Convert to fraction form
    116,545.87/160,907.23 = 79,813.57/x
  3. Step 3: Cross multiply
    116,545.87x = 160,907.23 × 79,813.57
  4. Step 4: Simplify right side
    116,545.87x = 12,842,580,465.11
  5. Step 5: Solve for x
    x = 12,842,580,465.11/116,545.87
  6. Step 6: Final answer
    x = 110,193.36

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1.5x scale

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.