Home / 209,790.50-289,510.91-114,297.19

Finding the Fourth Proportional to 209,790.50, 289,510.91 and 114,297.19

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Solution

The fourth proportional to 209,790.50, 289,510.91 and 114,297.19 is: 157,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,790.50 : 289,510.91 = 114,297.19 : x
  2. Step 2: Convert to fraction form
    209,790.50/289,510.91 = 114,297.19/x
  3. Step 3: Cross multiply
    209,790.50x = 289,510.91 × 114,297.19
  4. Step 4: Simplify right side
    209,790.50x = 33,090,284,892.11
  5. Step 5: Solve for x
    x = 33,090,284,892.11/209,790.50
  6. Step 6: Final answer
    x = 157,730.14

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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.