Home / 209,605.67-289,549.86-186,937.37

Finding the Fourth Proportional to 209,605.67, 289,549.86 and 186,937.37

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Solution

The fourth proportional to 209,605.67, 289,549.86 and 186,937.37 is: 258,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,605.67 : 289,549.86 = 186,937.37 : x
  2. Step 2: Convert to fraction form
    209,605.67/289,549.86 = 186,937.37/x
  3. Step 3: Cross multiply
    209,605.67x = 289,549.86 × 186,937.37
  4. Step 4: Simplify right side
    209,605.67x = 54,127,689,312.27
  5. Step 5: Solve for x
    x = 54,127,689,312.27/209,605.67
  6. Step 6: Final answer
    x = 258,235.81

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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.