Home / 209,813.88-289,545.28-114,322.16

Finding the Fourth Proportional to 209,813.88, 289,545.28 and 114,322.16

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Solution

The fourth proportional to 209,813.88, 289,545.28 and 114,322.16 is: 157,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,813.88 : 289,545.28 = 114,322.16 : x
  2. Step 2: Convert to fraction form
    209,813.88/289,545.28 = 114,322.16/x
  3. Step 3: Cross multiply
    209,813.88x = 289,545.28 × 114,322.16
  4. Step 4: Simplify right side
    209,813.88x = 33,101,441,827.40
  5. Step 5: Solve for x
    x = 33,101,441,827.40/209,813.88
  6. Step 6: Final answer
    x = 157,765.74

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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.