Home / 209,863.32-289,601.56-119,217.04

Finding the Fourth Proportional to 209,863.32, 289,601.56 and 119,217.04

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Solution

The fourth proportional to 209,863.32, 289,601.56 and 119,217.04 is: 164,513.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,863.32 : 289,601.56 = 119,217.04 : x
  2. Step 2: Convert to fraction form
    209,863.32/289,601.56 = 119,217.04/x
  3. Step 3: Cross multiply
    209,863.32x = 289,601.56 × 119,217.04
  4. Step 4: Simplify right side
    209,863.32x = 34,525,440,762.58
  5. Step 5: Solve for x
    x = 34,525,440,762.58/209,863.32
  6. Step 6: Final answer
    x = 164,513.94

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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.